Biofuel groups fire back at EPA

Biofuel groups fire back at EPA

Ethanol supporters are slamming the Environmental Protection Agency (EPA) for undermining the Renewable Fuel Standard (RFS) by granting compliance exemptions to more than two dozen oil refineries last year.

The waivers, designed for small refiners experiencing fin­ancial hardships, could lower biofuel demand this year by as much as 500 million to 1 billion gallons, said Iowa Renewable Fuels Association...

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