The Environmental Protection Agency disclosed another five small refinery exemptions Thursday, adding to a climbing volume of exemptions from the federal biofuel mandate.

Biofuel credit traders would be placed under a new set of limitations under a proposed rule released today by the Environmental Protection Agency that would also allow summer E15 sales.

Ag Secretary Sonny Perdue told the House Agriculture Committee today that the Environmental Protection Agency won’t wrap up rulemaking for summertime E15 sales in time for the summer driving season. But the EPA isn’t so sure.

Manure storage and handling techniques must continue to change to meet California's 40 percent dairy manure methane reduction goal and combat climate change, according to new research.

The Environmental Protection Agency has launched a new website adding more transparency on how the Renewable Fuel Standard is functioning, but biofuel groups say the gesture, while appreciated, doesn’t go far enough.

Ethanol advocates applauded a Trump administration proposal released today that would freeze fuel economy standards for cars and light trucks through model year 2026.

EPA Acting Administrator Andrew Wheeler’s Wednesday appearance before the Senate Environment and Public Works Committee was heavy on biofuel talk as senators looked to pin him down on how the agency will approach a number of contentious topics.