CLIMATE: Ethanol producers take low-carbon fuel standard fight to Supreme Court Debra Kahn, E&E reporter Published: Thursday, March 20, 2014 Ethanol producers are taking their challenge of California's low-carbon fuel standard to the Supreme Court. Please subscribe to E&ENews PM to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.