The Environmental Protection Agency’s final Renewable Fuel Standard volumes for 2026–2027 officially went into effect this week and Clean Fuels Alliance America delivered a letter to President Donald Trump once again thanking the administration for the historic volumes.

“Farmers and biomass-based diesel producers are essential to U.S. energy and national security; and they are putting major investments behind it,” Clean Fuels writes in the letter. “EPA’s rule fully accounts for the investments our industry made over the last several years to increase U.S. biomass-based diesel capacity and oilseed processing. The rule is encouraging additional investments in rural economies, such as grain handling, fuel distribution infrastructure, and new markets for the fuel. Most importantly, EPA acknowledged that American companies will make additional investments only if the policy direction remains certain.”

The letter documents increases in domestic soy and canola processing and record use of soy oil and distillers corn oil for biodiesel and renewable diesel production during the first months of 2026. Additionally, by April, biodiesel and renewable diesel producers returned to capacity utilization rates comparable to highs in 2024.

Clean Fuels Vice President of Federal Affairs Kurt Kovarik notes that EPA’s historic RFS volumes for 2026 and 2027 are supporting the significant investments the clean fuels industry has made to grow domestic markets for American farmers and increase domestic fuel production. “Better still, it is encouraging new investments and job creation to continue growth of biodiesel, renewable diesel, and SAF for the future.”