FILE PHOTO: The U.S. Environmental Protection Agency sign is seen on the podium at EPA headquarters in Washington, U.S., July 11, 2018. REUTERS/Ting Shen
The proposed measures, sent to the White House for review on Monday, include requiring quarterly, instead of annual, retirement or sales of the credits – called Renewable Identification Numbers, or RINs – and blocking certain non-obligated parties from purchasing RINs.