Millions of pounds of fat from alligators, which are not threatened, is thrown away every year but the fat is more suitable than other animal fats for biodiesel, a study finds.
Europe's world-leading industry is now on the verge of being legislated out of existence after the studies reveal biodiesel's indirect impact cancels out most of its benefits.
Biofuel company LS9, along with government-funded researchers, have developed a way to convert non-food plants into biodiesel in a single step, promising lower costs.
Credit extension has been delayed by the health care debate and because it has been linked with other tax incentives. A so-called extenders bill passed in the House earlier this month.
Pilot project claims significant carbon dioxide reduction with trucks and buses running on diesel fuel made from sustainable biomass.
San Francisco Mayor Gavin Newsom announced plans for the city to build the country's first brown grease-to-biodiesel plan.
Berkeley spinoff Aurora Biofuels lands $20 million in series A funding for algae aquaculture venture.
Car Tech editor Wayne Cunningham shows you how to prepare your diesel car to run on clean, renewable fuel.
At a seafood restaurant in Sausalito, Calif., they have no shortage of what could be tomorrow's fuel.
PetroAlgae, Bionavitas, and others bet that algae will replace soy as a feedstock for biodiesel. The question is which, out of many companies, will develop a cost-effective technology first.