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 jadegreen
Joined: 2/3/2006
Msg: 26
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Well I can't make up good excuses for your confusion just hank..... but the question was asked on a prior post about how is the air compressor powered? I was referring to the air compressor fill up station...or a good ole battery might do...but better yet just hank why don't you take a stab at answering the question...got any ideas?
 bob0colo
Joined: 4/9/2006
Msg: 27
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Posted: 5/23/2008 1:49:06 PM

I saw on U Tube them crashing a SMART into a 20 tons of
concrete at 70 MPH!


That sounds a bit extreme... No one is walking from that one.

isn't it a 40 mph front end?

The S/C has the highest Gov rating for front and side impact, I thought they were built with a some kind of Poly panels ?


Solar Thermal ........ Power of the Future, Just not here.

With out Price-Anderson Nukes would not be built.......

The Car from India has a built in compressor that takes 4 hours to charge up the tank with electricity, or a few min's with a big compressor like at a gas station.
 Internetdatingpariah
Joined: 10/17/2004
Msg: 28
Gas Price Solutions
Posted: 5/24/2008 7:07:55 AM
Jadegreen,

Not being an expert myself I cannot even imagine how large a compressed air tank would need to be in order to even power a two seater with appropriate safety requirements a couple of miles. I'm all for smaller cars when possible. I'd also like to see hydrogen powered vehicles soon that are cost effective. Anti-matter is a long way off so that's not an option. I'm more than skeptical of these sites telling me I can double my mileage with a $49 water injector. These days are ripe for scammers.

Not a lot of towns can or want a nuclear power plant near by in order to generate electricity for air compressors. Electricity then comes from hydro, power which again is not always an option, coal, or however else.
Perhaps bio-fuel cells. But not many are realistic or readily availabe right now.
Apparently for about $200 you can start producing your own ethanol at home.
 CountIbli
Joined: 6/1/2005
Msg: 29
Gas Price Solutions
Posted: 5/24/2008 10:10:58 AM
sadly, at least in Canada, locally-speaking, there is no such thing. Each and every station, on a regional basis, sell at the same price. It is the most blatant form of collusion, in our faces, and we do nothing about it.

Is it collusion, government price controls, or just everybody selling it as cheaply as they can?
 Beaugrand®™©
Joined: 3/24/2008
Msg: 30
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Posted: 5/24/2008 10:23:06 AM
Steam power has its own set of problems. Aside from the problems with pollution from the burning fuel, they consume a good deal of fresh water, and impurities in the water eventually cause buildup of deposits in the mechanisms. Range is limited not only by fuel but also by the amount of water needed to make steam, which is expelled into the atmosphere after it passes through the engine (unless a large heat exchanger is used to recycle the water, but this component, because of its size and fragility, is vulnerable to damage.
Steam works great to power ships or stationary powerplants (nuclear plants are, for the most part, nuclear powered steam engines), not so good for contraptions that move on land (automobiles, locomotives, earth movers, etc).
Steam is far more dangerous than compressed air. A steam tractor explosion in 2001 killed several people:


Four Killed, Dozens Injured in Tractor Engine Explosion
Posted by Staff Writer
Monday, July 30, 2001 12:00 AM EST
A massive explosion killed four people and injured dozens others, some critically, at a county fair in Medina, Ohio last evening. Witnesses tell InjuryBoard.com that an antique tractor engine exploded about 6:30 p.m., sending shrapnel and hot oil flying into the air. The tractor engine, built in 1918 and steam operated, was being positioned in an exhibit of antique farm equipment when the accident occurred. Authorities are calling the explosion an accident and they do not suspect fowl play.
 motownmaniax
Joined: 8/13/2006
Msg: 31
Gas Price Solutions
Posted: 5/24/2008 11:04:53 AM
Don't know much about steam-powered vehicles (like everyone else I'll have to run and search the net...lol), but the example quoted above in the news story was an antique, manufactured in 1918. I'm sure any new vehicle-based steam engineered power plants, using modern technology, would be much safer and mechanically reliable. I also read compressed air vehicles use holding tanks made of composite carbon fiber, and engineered to implode rather than explode if damaged. So much for the safety issue, at least on that count. And solar panels on vehicle roofs can be used to electrically power the car. There are really no substantial technological hurdles to overcome in the basic concepts of some of these vehicles?

Debating the pros and cons of any alternative fuel vehicle is of course good and proper. Bottom line is any discussion to eventually wean us off gas/oil/fossil fuel powered vehicles is constructive.
 Montreal_Guy
Joined: 3/8/2004
Msg: 32
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Posted: 5/24/2008 11:50:42 AM
More drilling doesn't solve the problem, it just delays real solutions.

The focus has to be on efficiency, and on cars that are built for 2009 - not 1969.

The grease car is another option, one that can assist (but not solve) the problem of excessive c0nsumption. If municipalities used waste vegetable oils to power things like buses and city vehicles - it would solve two problems at once. That fuel is essentially free, for the asking, and now costs money to throw away, and pollutes the nation.

http://www.greasecar.com/

Use diesel to start your car, and then run pure filtered waste vegetable oil afterwards.


Kumar Plocher serves on the National Biodiesel Board's Sustainability Task Force, working to develop a road map for the industry. With an eye on its impact on the environment and the global food supply, he says, the search is on for sustainable, super biodiesel crops, "stuff that doesn't compete with food, that you can get a whole lot of energy per hectare."

He says soybeans provide only a tiny amount of oil, and mustard seed and sunflowers are somewhat more productive. "But there are trees that actually grow well in California and across a lot of the United States called Chinese Tallow trees. They can give you upwards of 4,730 liters a hectare. We're looking into those. Difficult to harvest but they can be one of the real feedstocks of the future." Algae is another possibility, he says. "We can get [tens of thousands of liters per hectare] with algae ponds. So there are all kinds of more sustainable choices for the future."

Whatever it's made from, industry experts expect biodiesel to be an important part of the energy supply of the future.

http://www.voanews.com/english/AmericanLife/2008-05-05-voa36.cfm



Biodiesel from Algae Oil
From PESWiki

The advantages of deriving biodiesel from algae include rapid growth rates, a high per-acre yield; and algae biofuel contains no sulfur, is non-toxic, and is highly biodegradable. Some species of algae are ideally suited to biodiesel production due to their high oil content--in some species, topping out near 50%.

Oil Yield

* Cultivating Algae for Liquid Fuel Production (http://oakhavenpc.org/cultivating_algae.htm)

Gallons of Oil per Acre per Year
Corn . . . . . . . 15
Soybeans . . . .48
Safflower. . . . . 83
Sunflower . . . 102
Rapeseed. . . 127
Oil Palm . . . . 635
Micro Algae . .1850 [based on actual biomass yields]
Micro Algae . .5000-15000 [theoretical laboratory yield]



GreenShift's patented CO2 Bioreactor reduces greenhouse gas emissions while creating an additional feedstock for renewable fuel production.

Patented process uses algae to consume greenhouse gas emissions from fossil-fueled combustion processes such as power plants. The algae use the available carbon dioxide in the exhaust and water to grow new algae, giving off pure oxygen and water vapor in the process. Light from concentrated solar panels is conducted into the algae chambers via fiber optic cables. The organisms also absorb nitrogen oxide and sulfur dioxide. Once the algae grow to maturity, they fall to the bottom of the bioreactor and are harvested for conversion into ethanol and biodiesel fuels.

http://peswiki.com/index.php/Directory:GreenShift:C02_Bioreactor



Why Recycle Used Motor Oil?

Did you know that used motor oil never wears out? It just gets dirty and can be recycled, cleaned, and used again. Motor oil poured onto the ground or into storm drains, or tossed into trash cans (even in a sealed container) can contaminate and pollute the soil, groundwater, streams, and rivers. Recycling your used motor oil reduces this pollution threat. When you recycle used oil, you are protecting the environment and conserving a valuable resource.



An estimated 200 million gallons of used motor oil is improperly disposed of each year in the U.S. by being dumped on the ground, tossed in the trash (ending up in landfills), and poured down storm sewers and drains.

Recycling used oil would save the U.S. 1.3 million barrels of oil per day.

The world's largest waste oil processing plant is located in East Chicago, Indiana. The facility is to recycle 75 million gallons per year of crankcase and industrial oil and 20 million gallons per year of oily wastewater.

One gallon of used oil provides the same 2.5 quarts of high quality lubricating oil as 42 gallons of crude oil.


There's lots of ways to make a positive contribution to both the environment, while also saving on oil imports. All it takes is a bit of vision, and a drive for efficiency.

There's lots of potential jobs to be created, as well, and the chance to become a world leader in such new technologies.

All good things for America, and Americans.
 Beaugrand®™©
Joined: 3/24/2008
Msg: 33
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Posted: 5/24/2008 12:07:09 PM

the example quoted above in the news story was an antique, manufactured in 1918. I'm sure any new vehicle-based steam engineered power plants, using modern technology, would be much safer and mechanically reliable.
Contributing factors to the steam tractor explosion were a number of dangerous mechanical faults, but the direct cause of the explosion was a drop in the water level to a dangerous point; operating error was the primary cause, they didn't top off the water tank enough.

Sure, we could make safer equipment today, but how many people in just this group drive around with the "check engine" light on? Bad enough when the consequences may be a stalled, ruined engine, but if failure means the car explodes- uh, maybe not a good idea.

Anyway, safety wasn't the only cause of the decline in steam locomotive use, it was also the amount of skilled labor needed to keep them going. Diesel-electrics had far less maintenance requirements.

Compressed-air motors,* on the other hand, while operationally nearly identical to steam motors,** don't have quite the lethal potential of steam. Superheated steam from a ruptured boiler would flash-cook you in an instant, compressed air would actually be cold (but still dangerous- it just wouldn't cook you). A steam engine has the inherent ability to increase the pressure in the pressure vessel, a compressed air motor does not.

**the part of a steam engine that uses the steam to produce power is a motor; motor plus boiler plus heat source comprises the "engine."

* A compressed air "engine" would include motor, tank, and compressor. Lacking an onboard compressor, it would be a "motor."
 bob0colo
Joined: 4/9/2006
Msg: 34
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Posted: 5/24/2008 12:38:27 PM
.
justhank


Not being an expert myself I cannot even imagine how large a compressed air tank would need to be in order to even power a two seater with appropriate safety requirements a couple of miles.



This is a post of an operational AIR CAR...... It has proven safety over the Rig shaw..

Not the same as Anti matter........ much the same as my X



The $12,700 CityCAT, one of a handful of planned Air Car models, can hit 68 mph and has a range of 125 miles. It will take only a few minutes for the CityCAT to refuel at gas stations equipped with custom air compressor units; MDI says it should cost around $2 to fill the car’s carbon-fiber tanks with 340 liters of air at 4350 psi.
http://www.popularmechanics.com/automotive/new_cars/4217016.html
 georgiabulldogfan
Joined: 9/22/2007
Msg: 35
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Posted: 5/24/2008 4:11:19 PM
Here's some ideas.
1. U.S. Gets 25% oil from it's own country 75% elsewhere. Designate whatever U.S. oil we pump here and sell it for 1.25 a gallon. Ration it off so people don't hoard up on it. Sell foreign oil at a price that would compensate whatever the difference it may be could be 8.00 a gallon.
2. Government needs to step in and see if workers and employee's involved transporting oil from saudi to america and see if there's any waste of money being spent in these areas. Cut jobs for those who does nothing more than sitting around looking at a computer. If we have 10,000 people involved in this industries and they making bout 150,000 a year offer them a choice 40,000 a year or head to the unemployment office.
3. Find more effiecent ways of transporting oil america, maybe we needs steamed powered ships hybrids, maybe build ships twice the size to hold more oil??
4. Find ways to get oil out of wal-street, we don't need oil to be wagered on like some kinda horserace.
 Beaugrand®™©
Joined: 3/24/2008
Msg: 36
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Posted: 5/24/2008 6:06:33 PM
We're actually getting most of our imported oil from Canada (be sure to thank the Canadians for that, if they didn't like us we'd be hurting).
Domestic oil accounts for about 33% of US domestic use.

More fun facts from http://www.energyliteracy.org/compare-oil.html:
* The U.S. consumes about 21 million barrels of oil per day, 25% of the worldwide total of 84 million barrels consumed per day;
* U.S. oil production peaked in the early 1970's and has been declining since, despite advances in production technology;
* In 1970 we imported 28% of the transportation fuels we consumed. Today we import over 65% (Energy Information Administration);
* The average American household consumes 1,000 gallons of gasoline annually;
* Experts forecast oil use to increase 44% in the U.S. (93% of which is caused by transportation), and 57% worldwide between 2000 and 2025 (Energy Information Administration);
* Worldwide economic growth since 2003 has caused excess capacity (available additional supplies above current demand) to reach a historical low 1 million barrels per day - contributing significantly to higher prices;
* Some experts believe supply increases due to already planned projects will create sufficient supply to meet demand through 2010, but the vast majority of experts express concern about supplies after that date, and OPEC spare capacity will likely be exhausted by 2012 (International Energy Agency and Cambridge Energy Research Associates);
* Three times in the last 30 years, oil price spikes caused recessions in the U.S. (www.wrtg.com)
o 1973: Yom Kippur War and resulting Arab oil embargo - world production dropped 7%;
o 1978: Iran/Iraq conflict - world production declined by 10%;
o 1990: Gulf War - small decrease in production;
* The Middle East holds approximately 62% of total declared oil reserves - Saudi Arabia alone holds 22% of global reserves (BP Statistical Review);
* Oil provides 40-43% of all energy use worldwide - transportation consumes 70% of that.

The smart money is likely betting on gasoline rationing by 2015. Figure each household's share at 10-15 gallons a week... yeah, we'll see who really "needs" an SUV then.
 designingwoman
Joined: 9/4/2005
Msg: 37
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Posted: 5/25/2008 8:40:47 AM
The post about Brazil makes alot of sense. We can learn from their example, and Jimmy Carter's words of wisdom.

We need to kick Bushboy hard in the (unprintable) on its way out. Big Oil-influenced punks running the show for the last eight years has aided and abetted this price-gouging that's going on. Taxing the (unprintable) out of Big Oil for their excessive profits is a good place to start, and listening to what Jimmy Carter said long ago: Slow down, wear a sweater at home--in a nutshell reduce the demand for oil.

It was REAGAN who aided and abetted Saddam Hussein, not Bill Clinton.

Where is TR when we need him? We need a president who has the guts to do some serious trust-busting!! Teddy Roosevelt would be disgusted by what's going on today!!
 Beaugrand®™©
Joined: 3/24/2008
Msg: 38
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Posted: 5/25/2008 3:17:36 PM
Electric highways might be part of the answer. Inductive resonant charging coils imbedded in the roadway might power cars and charge their batteries as they drive. Leaving the main electrified roadway, the car would switch to battery or even ICE mode for the short trip home via side streets.


From Wikipedia:

Resonant induction

Main article: Evanescent wave coupling

In 2006, Marin Soljačić and other researchers at the Massachusetts Institute of Technology applied the near field behaviour well known in electromagnetic theory to a wireless power transfer concept based on coupled resonators.[4][5][6] In a short theoretical analysis they demonstrate that by sending electromagnetic waves around in a highly angular waveguide, evanescent waves are produced which carry no energy. If a proper resonant waveguide is brought near the transmitter, the evanescent waves can allow the energy to tunnel (specifically evanescent wave coupling, the electromagnetic equivalent of tunneling[citation needed]) to the power drawing waveguide, where they can be rectified into DC power. Since the electromagnetic waves would tunnel, they would not propagate through the air to be absorbed or dissipated, and would not disrupt electronic devices or cause physical injury like microwave or radio wave transmission might. Researchers anticipate up to 5 meters of range for the initial device, and are currently working on a functional prototype.[4]

On June 7, 2007, it was reported that a prototype system had been implemented. The MIT researchers successfully demonstrated the ability to power a 60 watt light bulb from a power source that was seven feet (2 meters) away at roughly 40% efficiency.

"Resonant inductive coupling" has key implications in solving the two main problems associated with non-resonant inductive coupling and electromagnetic radiation, one of which is caused by the other; distance and efficiency. Electromagnetic induction works on the principle of a primary coil generating a predominantly magnetic field and a secondary coil being within that field so a current is induced within its coils. This causes the relatively short range due to the amount of power required to produce an electromagnetic field. Over greater distances the non-resonant induction method is inefficient and wastes much of the transmitted energy just to increase range. This is where the resonance comes in and helps efficiency dramatically by "tunneling" the magnetic field to a receiver coil that resonates at the same frequency. Unlike the multiple-layer secondary of a non-resonant transformer, such receiving coils are single layer solenoids with closely spaced capacitor plates on each end, which in combination allow the coil to be tuned to the transmitter frequency thereby eliminating the wide energy wasting "wave problem" and allowing the energy used to focus in on a specific frequency increasing the range.

Beginning in the early 1960s resonant inductive wireless energy transfer was used successfully in implantable medical devices [7] including such devices as pacemakers and artificial hearts. While the early systems used a resonant receiver coil later systems [8] implemented resonant transmitter coils as well. These medical devices are designed for high efficiency using low power electronics while efficiently accommodating some misalignment and dynamic twisting of the coils. The separation between the coils in implantable applications is commonly less than 20 cm. Today resonant inductive energy transfer is regularly used for providing electric power in many commercially available medical implantable devices.[9]

Wireless electric energy transfer for experimentally powering electric automobiles and buses is a higher power application (>10kW) of resonant inductive energy transfer. High power levels are required for rapid recharging and high energy transfer efficiency is required both for operational economy and to avoid negative environmental impact of the system. An experimental electrified roadway test track built circa 1990 achieved 80% energy efficiency while recharging the battery of a prototype bus at a specially equipped bus stop [10] [11]. The bus could be outfitted with a retractable receiving coil for greater coil clearance when moving. The gap between the transmit and receive coils was designed to be less than 10 cm when powered. In addition to buses the use of wireless transfer has been investigated for recharging electric automobiles in parking spots and garages as well.

Some these wireless resonant inductive devices operate at low milliwatt power levels and are battery powered. Others operate at higher kilowatt power levels. Current implantable medical and road electrification device designs achieve more than 75% transfer efficiency at an operating distance between the transmit and receive coils of less than 10 cm.
 shamrock2010
Joined: 9/15/2006
Msg: 39
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Posted: 5/25/2008 4:53:36 PM
There's a lot of "repeating" of what is heard on the press on this thread and the press is absolute wrong on many accounts.

I agree. There IS plenty on oil and refineries have been a bottle-neck for gasoline supply. That's an old dilema.

But considering the rich supply of oil out there crude oil and gasoline still shouldn't be so high.

There's another gentleman on this thread that mentions a crude price "bubble"...
I totally agree with that. The Wall Street speculation just does not jive with the fundamentals, even with a growing population factored in. But good investors look to assess the future. Yeah new reserves are being found, the the rates of these finds is expoentially shrinking.

What Alaska has is a drop in the bucket. The Canadian tar sands is a poor product that is expensive to unearth and convert to useable product.

Right now the refiners aren't making a lot of money due to the crack spread between what they get oil for and what they can sell gas for.

The US is backing the building of a giant refinery in India since no one in the US wants it in their backyard. http://www.reliancepetroleum.com/

I haven't heard one single person on this thread mention "the dollar". Crude oil's price as a commodity is based upon the US dollar.

Why did our dollar get so low? There are many reasons...
1. We are paying for a very expensive war.
2. The popping of the housing bubble compounded by the subprime fiasco caused the FED to drop the FED Rate repeated...devaluating the dollar tremedously.

The is good news in all this. The value of the dollar has pretty much bottomed...kind of like a "bottom bubble". Europe and China are still lending money fast and furiously like we where for quite a few years. Their eventual devaluation will support leverage to our dollar.

But we are in a bit of a sort of catch 22. The Fed did indeed cut rates enough to stimulate the economy over time, but these moves helped stimulate food and energy inflation. The fed can make NO more cuts. As Fed meetings come and good markets will ralize we are done and just that NON-action will lift our dollar and commodities will pull back.

It's fun to watch when crude does go down in price our trade deficit shrinks big time.

I'll finish this little stump speech by saying don't blame Washington, blame yourselves. I've been driving past all this soccer mom mini-vans, SUVs and pickup trucks for years now. $4.00 + gas shouldn't be suprising anyone. People have been asleep at the wheel. Heck, Japan has been living with small cars now for a long long time while America buys the gas guzzlers. Our auto-indistry would have retooled years ago if the American people weren't buying guzz-guzzlers like they've been going in and out of style.

I purchased a Toyotas Prius in 2002 before GW entered us into Iraq. The writing was on the wall but few were reading it. It's now paid off and running like a dream at 92K miles.

And I can't end this thread before mentioning our government when they do take action. I believe I read that 1% of cars now run on Flex Fuel...WHAT AN UNGODLY WASTE OF TIME AND RESOURCES!

People and city services that have had Flex Fuel cars are dumping them because they ceither can't find the fuel, or because they realize FLEX FUEL COSTS MORE because it get's less miles per gallon. The gas/electric hybrids and biodeisel still make sense but the government is being rediculous and pushing corn-ethanol. It would take ALL the corn we have in our country to get 25% of our cars running on it.....

...stupid, stupid, stupid.

Rationing and car-pooling sounds altruistic, but it will hurt the economy. Reduced travel and not-going out is going to hurt businesses. We just plain need to move to new technologies.
 Beaugrand®™©
Joined: 3/24/2008
Msg: 40
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Posted: 5/25/2008 6:33:49 PM

I believe I read that 1% of cars now run on Flex Fuel...

Actually, no. maybe 1% of vehicles are flex-Fuel, but Flex-Fuel vehicles can run on straight gasoline (E-10/E-15) or E-85 or any mix of the two. They get poorer mileage from E-85. It doesn't make any sense to trade them in because they run, and run better, on straight gas.
Now the fun part. GM doesn't have to count the ethanol part of the fuel.
That's right, a Flex-Fuel vehicle that burns up 100 gallons of

ANY GASOLINE FUEL

from straight gasoline to E-85 only has to account for

15 GALLONS OF GASOLINE!!!

This means a 10 mpg SUV, as far as EPA is concerned,

GETS NEARLY 50 MPG!!!


That's Farkin

BRILLIANT!!!


Sorry for the outburst, I have this perverse admiration for

OUTRAGEOUS ACTS OF PIRACY.


I especially love the way they CHEAT by manipulating the rules, and

PRETEND TO BE "GREEN" WHILE DOING IT!!!



BRILLIANT!!!
 CountIbli
Joined: 6/1/2005
Msg: 41
Gas Price Solutions
Posted: 5/25/2008 8:12:46 PM
I think the only solution with any hope of being effective this summer is what will really p1ss off everybody- conserve, use less, drive slower, 55 mph speed limit.

Have I mentioned my idea for a windmill powered car yet?
 IndigoPanda
Joined: 8/27/2007
Msg: 42
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Posted: 5/25/2008 10:02:43 PM

Perhaps a state ran oil company not controlled by the greed/ungrateful/treasonis


Another big government supporter....LOL

The Communists had this solution and you remember that they went belly up. Oops.

The less the government controls, the better for the rest of us.

Horses are not a solution. Can you imagine the manure on the streets caused by just 10,000 horses, let alone a million?? We would really be swimming in SH** then...LOL

Just let the market work, if people can not handle $4.00 gas, then they will drive less. But to really fix the problem, increase the supply of gas, by drilling more in the US and refining more in the US. Plus add more nuclear plants and coal fired plants, with scrubbers.
 Beaugrand®™©
Joined: 3/24/2008
Msg: 43
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Posted: 5/26/2008 10:12:14 AM

drilling more in the US and refining more in the US.

I do get a kick out of this theme that apparently won't die.

US oil production peaked in the 1970s for reasons completely unassociated with politics, environmentalism, Al Gore, Greenpeace, Saudi Arabia, Saddam Hussein, Victor Chavez, or Ralph Nader.

US oil production "peaked" in the 1970s because we used up most of the easy to reach oil.

Drilling today will be more expensive and much less productive, because all the easy to reach oil has been discovered. it would also take a decade for new discoveries to become productive.

Refineries are expensive and oil companies aren't enthusiastic about the investment. otherwise, they'd upgrade and modernize the ones they already operate for more efficiency.

But I suspect the oil companies have already looked into all this.
 Ottawa_Chicklet
Joined: 8/5/2006
Msg: 44
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Posted: 5/26/2008 10:44:49 AM
I'm hoping we go back to horse and cart. Cuz then, I'd finally get the pony I've always wanted!
 designingwoman
Joined: 9/4/2005
Msg: 45
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Posted: 5/26/2008 5:30:38 PM
Oh, a real pony, not just the silly little doodad on my sweatshirt Sounds like a winner! I would love to have a real horse--maybe if prices go high enough I just might consider!!

Seriously, I think we should work toward setting up a really good public transit network using monorails, trains and buses to get around, including rural areas. If Europe can do it, so can we!!
 Beaugrand®™©
Joined: 3/24/2008
Msg: 46
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Posted: 5/26/2008 5:45:10 PM
Europe has mass transit and economical-to-operate cars because the cost of private car ownership is very high, and the cost of fuel 3 times what is in the US. As long as cars and gas are relatively cheap in the US "we ain't ridin' no steenkin buses."
 designingwoman
Joined: 9/4/2005
Msg: 48
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Posted: 5/26/2008 8:32:09 PM
I have bad knees, so I can't bicycle. But I can walk The exercise is great! I WALKED to get milk yesterday instead of driving
 Montreal_Guy
Joined: 3/8/2004
Msg: 49
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Posted: 5/27/2008 5:05:40 PM
I just started back up on my bike, and use it to get to work. Saves me twenty dollars a week, takes me less time than the bus and subway does, and I get in great shape doing it.

I was actually jumping anxiously for the chance to start doing it again, it's been a long winter here.

Some people go drive their Hummer to the gym, take the elevator to the second floor, and then get on that 'ol Stairmaster for a good work out - or ride the stationary bike.

This way, I at least feel the wind in my hair.....no wait....I don't have any......
 ErehwonEnoon
Joined: 2/13/2008
Msg: 50
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Posted: 5/27/2008 5:51:31 PM
Guy Negre developed a motor that maximizes the performance of engines powered by compressed air. I have followed the exploits of his company MDI Group for about 10 years. Last year his company formed agreements with Tata (car company in India) to produce a vehicle. A vehicle using compressed air is as safe as a vehicle powered by propane (similar storage system) but with out the concern of fire. The biggest problem with this technology is that has taken forever for deployment. If it is valid technology, I believe it will only be a footnote because of the way it has been marketed.
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