One of the most futuristic cars in Jay Leno’s collection is the 2006 EcoJet. Built in collaboration with General Motors, this ...

engines deliver lots of torque for a given displacement, and any diesel car can run on a blend of renewable biodiesel fuel. With effort and investment, older diesel engines can be converted to run ...

Every ton of biodiesel replacing fossil fuel saves over three tons of direct CO2 emissions. It can be blended with fossil diesel, or fully replace it, without needing to change existing infrastructure ...