Behind Audi's Biodiesel Victory At The 24 Hours Of Le Mans

One of the more interesting but overlooked facts from the 2008 24 Hours of Le Mans was that the Audi R10 TDI cars not only ran, but won, on a mixture of Shell V-Power Gas-To-Liquid (GTL) racing diesel and a newly designed Biomass-to-Diesel (BTL) fuel. We've been fascinated with prospects of biomass diesel since taking… » 6/26/08 12:30pm 6/26/08 12:30pm

SwiftFuel Is Just Like Fuel, Except Probably Full Of Crap

Today brought us news of a purported new solution to high gas prices: SwiftFuel. Currently intended as a replacement for leaded 100-octane aviation fuel, SwiftFuel claims to be ethanol-based, but somehow free from ethanol's negatives such as its lower energy density, incompatibility with gasoline, and propensity to… » 6/12/08 4:40pm 6/12/08 4:40pm