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Concept Car of the Week: Bizzarrini Manta (1968)

In the latter half of 1965, Giotto Bizzarrini began working on a racing car designed to compete with the Ford GT40, Ferrari 250P and the Porsche 906. The result was the P538, his most sophisticated car to date. The first two examples built were fitted with Lamborghini V12 engines and sold to American buyers to compete in SCCA races, while the third used a highly modified 5.4-liter V8 from the Chevrolet Corvette.

Mazda outlines weight-loss program

Mazda Motor Corp. will reduce its vehicle weights by at least 220 pounds beginning in 2011, with a combination of lighter-weight materials, smaller vehicle footprints and new engineering processes, a top executive says. The typical Mazda vehicle has gained 80 pounds with each successive redesign, “mostly in larger tires and wheels, and safety equipment,” said Robert Davis, senior vice president of product development and quality for Mazda North American Operations.

Mercedes Biome (2010) first official pictures

Now, what on earth, or for that matter not from earth have we got here? It's the Mercedes Biome concept supercar. It's a product of Merc's Los Angeles design studio, and they prefer to describe it as an 'Ultralight vehicle at one with nature.' The Biome was produced as part of the Los Angeles Design Challenge, taking part alongside the 2010 LA auto show.