BIOFUELS: Advocates launch new RFS campaign Amanda Peterka, E&E reporter Published: Tuesday, April 22, 2014 Biofuels supporters today launched a new ad campaign to rally support for the federal renewable fuel standard. Please subscribe to Greenwire 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.