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The EPA claims that automakers are lying, and that E15 is perfectly safe for engines.  (Source: Hemmings Blog)

The EPA is trying to sneak E15 -- a blend of 15 percent ethanol and 85 percent gas -- into the pump.  (Source: MPR News)

Corn ethanol gives worse gas mileage and, according to some studies, more air pollution than gasoline. It also raises food prices.  (Source: Dave Reede)
EPA: What could go wrong?

United States Environmental Protection Agency (EPA) officials, testifying to Congress on Wednesday implied that automakers like Ford Motor Company (F) and Toyota Motor Company (TYO:7203) were lying when they said higher ethanol blends could corrode seals, fuel lines, and engine components, voiding warranties.

I. EPA -- We Know Better About These Cars Than the People Who Built Them

The EPA is convinced that it knows about the risks better than the automakers who built and tested the cars.

At issue is the question of whether the EPA can authorize E15 fuel -- a 15 percent ethanol, 85 percent gasoline -- mix to be sold at pumps, with special stickers to warn customers.  E10 fuel, which contains a smaller 10 percent fraction of ethanol, is currently mandated by many states.  Approving E15 would clear the way for states to possibly mandate it as the exclusive fuel.

Margo Oge, director of the agency's Office of Transportation and Air Quality office, claims that her researchers conducted "extensive" tests using E15, which showed, "no unusual damage was found compared to control vehicles tested with normal gasoline."

Thus far General Motors Comp. (GM), who produces E85 (85 percent ethanol) capable FlexFuel vehicles, has been the only automaker to voice enthusiasm about the proposal.  The rest of the major U.S. and foreign automakers have complained that E15 could destroy engines in cars produced in 2001 or later.

Essentially, both sides are calling the others a liar in the dispute.

II. Ethanol Opposition is Solidifying

There are signs that opposition to the proposal is mounting in Congress.  Rep. Andy Harris (R-Maryland) blasted the measure, stating it wasn't a "science-based decision".

Overall, while green technologies like cellulosic ethanol seem promising, the case for the U.S.'s current ethanol supply -- corn ethanol -- isn't particularly compelling.  Corn ethanol has been shown to raise food prices and delivers worse gas mileage (ethanol exclusive engines can deliver better mileage, but mixed engines deliver worse performance when burning ethanol).  

Some studies have also shown that it produces more polluting gases, such as nitrogen and sulfur-containing compounds, than gasoline over its life cycle, thus deteriorating air quality.  Similarly, it produces more carbon emissions than gasoline.

Still, farming states have managed to push corn ethanol onto the nation.  The move paid off for a lucky few -- corn farmers grew wealthy the recipient of billions of dollars in subsidies and the politicians they donated to were reelected. 

However, the good times for corn ethanol proponents appear to be coming to an end in the U.S.  Just weeks ago the U.S. Congress repealed the $5.6B USD in incentives for corn ethanol.



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Revisions
By yottabit on 7/8/2011 3:35:37 PM , Rating: 4
"The rest of the major U.S. and foreign automakers have complained that E15 could destroy engines in cars produced in 2001 or later."

I think you meant to say "produced during or before 2001"

Also, you should really avoid saying things like "EPA CALLED AUTOMAKERS LIARS" when nothing like that happened. They came forward with a different study that showed no damage, I don't see any record of them trying to attack the automaker's credibility and that's a very important distinction.




RE: Revisions
By Targon on 7/9/2011 7:15:24 AM , Rating: 2
If you think about it, Ethanol reduces the overall fuel economy in vehicles. This means we spend more time filling our gas tanks, and that is time many of us could be working. So, is the government going to compensate me for that extra time it is FORCING me to spend?

Seriously, they want to regulate that new vehicles have to meet the CAFE standards of miles per gallon while forcing Ethanol on us that reduces our fuel economy. One or the other, but if new cars run cleaner, then it's not about the environment at all. The idiots in government have to make up their minds, increased MPG figures, or forcing garbage down our throats?


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