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The Weakening Case for Ethanol Fuel in the U.S. May 18, 2008

Posted by federalist in Energy, Regulation.

I’ve been following this issue in the notes on a previous post, but an article in this month’s Road & Track debunked one of the last arguments I thought was out there for ethanol: Namely, that modern cars require oxygenates to control emissions, and that following the MTBE ban ethanol is the only practical oxygenate available. Not so:

These days, “oxygenates” as in [the 10% ethanol blend now sold at gas stations] are solely extenders. With today’s oxygen-sensed engines, there’s no emissions benefit, and in fact there’s degradation in fuel economy and an increase in evaporative emissions.


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