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US EPA takes action to implement President Trump’s termination of Biden’s ‘EV mandate,’ heavy-duty NOx rule
The news was announced March 12 in conjunction with a number of actions to advance President Trump’s Day One executive orders. Â
Ron Kotrba
Mar 132 min read


EPA’s 3.5% solution
A small change in EPA’s obligated fuel volume calculations can have a big impact on the biobased diesel industry.
Paul Winters
Aug 14, 20233 min read


EPA’s latest RFS rule perpetuates disadvantages to biodiesel
The agency acknowledged it uses a flawed equivalence value for renewable diesel fuels, but the final rule reaffirms this faulty modeling.
Joe Jobe
Aug 7, 20236 min read


EPA denies 26 SRE petitions under Renewable Fuel Standard program
The July 14 denials are consistent with the April and July 2022 denials of petitions for RFS small-refinery exemptions.
U.S. Environmental Protection Agency
Jul 14, 20231 min read