“Our research shows that we should not ignore incremental changes while we’re trying to find leapfrog solutions [regarding biofuels] in California and the U.S.,” said Lew Fulton, co-director of the Sustainable Transportation Energy Pathways (NextSTEPS) program at ITS-Davis.

A UC Davis white paper maps out “Three Routes Forward for Biofuels,” balancing investment risk with carbon benefits.