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  2. Renewable Fuel Standard

Denial of Requests for Extension of Comment Period: Notice of Proposed Rulemaking for Modifications to Fuel Regulations to Provide Flexibility for E15 and to Elements of the Renewable Identification Number Compliance System

Denial of Requests for Extension of Comment Period – Two organizations requested that EPA extend the public comment period for the proposed rule. EPA sent letters explaining our denial of these requests to each of these organizations.

  • Request for Extension from the National Wildlife Federation (pdf) (185.28 KB, April 17, 2019)
  • Letter from the EPA Office of Air and Radiation Assistant Administrator William Wehrum to the National Wildlife Federation (pdf) (137.71 KB, April 24, 2019)
  • Request for Extension from the American Petroleum Institute (pdf) (139.4 KB, April 18, 2019)
  • Letter from the EPA Office of Air and Radiation Assistant Administrator William Wehrum to the American Petroleum Institute (pdf) (119.95 KB, April 24, 2019)

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Last updated on February 18, 2025
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