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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.

Spy Shots: Chevy SS caught testing, rendered

Way back in June, Autoweek published a speculative rendering of the forthcoming Chevrolet SS. The Zeta-platform, rear-wheel-drive, V8-powered follow-up to the late Pontiac G8 was recently spotted testing by the spy photographers at Chris Doane Automotive. Doane was so inspired by General Motors' nascent performance sedan that he commissioned his own Chevy SS rendering.

Caterham R300 Superlight unveiled

By Ben Pulman First Official Pictures 28 October 2008 10:30 Caterham has released its latest Superlight Seven model, the R300. Powered by a 2.0-litre Ford Duratec engine, tweaked by Caterham Powertrain to produce 175bhp, the new R300 will sprint to 60mph in 4.5 seconds.  The new R300 weighs a mere 515kg, just 15kg more than CAR’s long-term 1.6-litre Superlight. Combined with the new 175bhp engine, the R300 has a power-to-weight ratio of 339bhp-per-tonne – a Porsche 911 Carrera S has a mere 270 by comparison.