Tesoro slams EPA biofuel plan as 'giant step' towards litigation
May 29, 2015 at 11:13 AM EDT
NEW YORK, May 29 (Reuters) - U.S. oil refiner Tesoro Corp has slammed the U.S. government's proposal for renewable fuel use, signaling a lengthy legal fight may be in the cards ahead of the new quotas being finalized later this year.
