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EPA Proposes Wide Range of Changes to RFS

Environmental Protection Agency proposes modification to RFS to include new pathway for isobutanol, clarify eligibility for ethanol from crop residues

Published on: May 23, 2013

The Environmental Protection Agency this week proposed a host of edits to the Renewable Fuels Standard, ranging from new allowances for RIN generation to changing the definition of crop residue to produce ethanol.

The proposed rule, EPA said, will improve implementation of the RFS and facilitate the introduction of new renewable fuels.

Specifically, EPA is proposing to allow renewable diesel produced from landfill biogas to generate advanced biofuel Renewable Identification Numbers. The rule also proposes to clarify the definition of crop residue to include corn kernel fiber.

The rule also offers several other changes, including proposing a new approach to determining how many cellulosic RINs are produced from the varying cellulosic feedstocks and suggests technical corrections to E15 misfueling mitigation regulations.

Environmental Protection Agency proposes modification to RFS to include new pathway for isobutanol, clarify eligibility for ethanol from crop residues
Environmental Protection Agency proposes modification to RFS to include new pathway for isobutanol, clarify eligibility for ethanol from crop residues

According to Brent Erickson, executive vice president of the Biotechnology Industry Organization, the quick action on proposed RFS changes will allow companies to keep making investments in the bio industry.

“Finalization of new pathways will clear the way for companies to bring innovative technologies to the marketplace," Erickson said. "Delays can determine whether these companies succeed or fail and whether investors remain confident. We look forward to working with EPA to rapidly finalize these new rules.”

To view the entire proposed rule, click here. The proposed rule was signed May 20, and has been submitted to the federal register for public comment.