Ethanol E85 fuel loses cost-benefit test to diesel

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Anything’s better than ethanol blend E85, even ordinary gasoline, a new cost-benefit analysis of alternative fuels by researcher John Graham at the Pardee Rand Graduate School finds.

Diesels scored highest, surprising even the researchers. “We were kind of expecting that hybrids would outperform diesels when we went into the study. It’s close, but the advanced diesel” provides better performance and fuel economy for the price, he says.

Compared to gasoline, a driver could spend as much as $1,600 more on fuel over a vehicle’s life burning E85, a mix of 85% ethanol and 15% gasoline, Graham calculates, while a diesel could save as much as $2,300.

Diesels are just creeping back into the USA as automakers introduce clean-burning models that meet new pollution rules.

The study, which Graham plans to discuss today at a National Academy of Sciences roundtable in Washington, undercuts E85 at a time Detroit automakers are lobbying Congress for ethanol-supportive legislation and fuel-economy credits for building E85-compatible vehicles.

USA Today