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GM engineers focus on weight, balance for 2013 Cadillac ATS

When engineers at Cadillac built the ATS sedan, they knew that they were competing with some of the best products on the market, such as the BMW 3-series, the Audi A4 and the Mercedes-Benz C-Class. They paid special attention to curb weight to help meet their performance goals. “We designed and engineered the ATS's vehicle architecture to deliver quick, nimble and fun-to-drive dynamics,” said David Masch, ATS chief engineer.

Koenigsegg's craziest supercar yet debuts at Geneva

Here's what you need to know about the Koenigsegg One:1. It weighs 1,360 kilograms; it produces 1,360 hp. One horsepower per kilogram, which is why mad scientist Christian Von Koenigsegg is absolutely justified in bragging about it: it's the world's first "mega car," he said.

Coachbuilt classics to highlight RM Amelia Island auction

RM, the official auction house of the annual in advance or $70 at the door. About the Amelia Island Concours Held in Amelia Island, Fla. from March 7 to March 10, the 2013 Amelia Island Concours and its attendant RM and Gooding auctions are among the first major classic-car events of the season.