Previously a hallmark for hybrid cars, federal income tax credits are now available for two Volkswagen diesel models, the Jetta TDI sedan and Jetta TDI SportWagen. Each is eligible for the Advanced Lean Burn Technology Motor Vehicle income tax credit worth $1,300. The credit amounts will begin to phase...

Days after Toyota announced that the Prius has sold more than one million units worldwide since its introduction, Honda formally announced that it has three new hybrid models in development. Previously known as the "international hybrid," the first new model is a five-door hatchback whose styling...

The 2009 Buick Lucerne sedan joins the growing list of General Motors' flex-fuel vehicles that can run on either ordinary gasoline or E85, or any combination of the two. The Lucerne, the first flex-fuel capable Buick passenger car, will be among more than 15 GM models with flex-fuel capability in...

The Toyota Prius has been the poster car for the hybrid movement, though the Chevrolet Volt hybrid is fast becoming the high-voltage icon for the next automotive revolution. Since it has made the auto show circuit, General Motors has been unusually forthright in communicating with media and consumers...