Not only a premium sport sedan but also a green vehicle, the Fisker Karma is scheduled to go on sale in the fourth quarter of 2009 at a starting price of $80,000.
With a little planning, you can avoid retracing your route and reduce the distance you travel. You'll save money by conserving fuel and minimizing wear and tear on your car.
So what's the scoop on biodiesel? Where does it come from and how does it work? This two-part series provides a brief history of the diesel engine and the progression of diesel fuel development to the present day.
"Biodiesel" includes any non-petroleum, typically vegetable-based oil that has undergone a chemical process to remove a waxy substance called glycerin. This process makes the oil similar to diesel #2 so that it can be easily stored, pumped and burned by any diesel engine.