Sports car handling, German engineering, Porsche styling and...four doors? The Panamera again has strayed well outside Porsche's well-trodden sports car heritage to become one of the world's best sports sedans. (Yesterday)

Will your new car get an A in fuel efficiency? A government proposal may add letter grades to showroom window stickers on new cars and trucks to reflect a vehicle's overall fuel economy and greenhouse gas emissions. (08/31/2010)

WASHINGTON -- David Sandalow starts his five-mile commute each day by unplugging an orange extension cord connecting his Toyota Prius hybrid to an outlet in his brick carport. His Prius, which was converted two years ago to allow him to recharge the battery from an electric outlet, gets more than 80 miles per gallon and lets him drive 30 miles on a single charge. (08/29/2010)

IRVINE, Calif. (08/29/2010)

LEWIS deSOTO needs a roof rack. The specifications are tricky, though. First, it has to fit a 1956 Chrysler Imperial. And then it must securely accommodate a 10.5-foot scale model of a CC-56 Redstone ballistic missile. (08/29/2010)