March 2, 2011 10:02 am Cal's Bio-fuel Breakthrough Cal scientists say they just might have a new answer to high gas prices. US & World Videos 3:27 May Day demonstrations planned, Gaza war protests continue across Bay Area 1:19 Kari's forecast: Warm and windy day 2:25 What to know as SF launches parking enforcement crackdown 2:27 Junk fee law bans restaurant surcharges 0:51 Organized retail theft task force makes arrest in San Mateo