
February 19, 2026
BY Erin Krueger
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Earlier this year, the MIT Energy Initiative (MITEI) launched a major study to examine the sustainable fuel options for aviation, international shipping, long-haul trucking, and freight rail. The two-year study will be complete in 2028.
U.S. Agriculture Secretary Brooke Rollins on June 4 confirmed that release of the USDA’s feedstock guidelines to inform 45Z clean fuel production credit implementation “is imminent” with release scheduled for “this summer.”
A researcher at the University of Wisconsin-Madison has published a paper that demonstrates hybrid combinations of lignocellulosic feedstock pretreatment methods can achieve high glucose yields with reduced energy consumption.
The RNG Coalition on June 1 filed a lawsuit in the U.S. Court of Appeals for the D.C. Circuit challenging the U.S. EPA’s decision to partially waive the 2025 cellulosic renewable volume obligation (RVO) in its recent RFS “Set 2” rule.
More than 1.93 billion RINs were generated under the RFS in April, up 3% when compared to the same month of last year, according to data released by the U.S. EPA on May 21. Total RIN generation for the first four months of 2026 reached 7.51 billion.