Theres a common cliche line that goes “If you want big rewards, you gotta take big risks”. To some extent this is true, but if your big risk is setting a date to be completely fossil fuel free you better be ready to back that up. This is the case with Merecedes recent statement that they would like to make their production line a fossil fuel free line by 2015.
flex fuel

Luxury Mercedes, Luxury Green?
Coskata's Cheap Non-Food Ethanol Available in 2010
The ethanol technology company Coskata (who was subject of a major announcement in conjunction with General Motors at the North American International Auto Show earlier this year) has announced a strategic alliance with ICM, Inc., a major producer of ethanol, to design and construct the first plant using Coskata's bio-process for creating non-food-based ethanol.

Biofuel Hybrids Could Be an Environmental Silver Bullet
If only five percent of U.S. vehicles were powered by ethanol-electric hybrids oil imports could be reduced by 140 million barrels a year. Such vehicles would also produce about 25 percent less carbon dioxide (CO2) — a chief contributor to global warming — than traditional cars and trucks. The biggest thing holding them up? Lack of E85 fuel outlets
Matt Damon, Bourne Green
Matt Damon is known for supporting charity causes, and one of his latest is a campaign to green up the nation's automobiles by increasing fuel efficiency and creating more flex fuel vehicles.