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Mercedes C-class AMG DTM (2012) at Frankfurt motor show

Mercedes’ F125 concept might preview a hydrogen future for the automobile, but alongside this tech-laden show car Benz boss Dr Zetsche (with a little help from Michael Schumacher and Nico Rosberg) also unveiled a hardcore race car. It’s the Mercedes C-class Coupe AMG DTM, which will compete in next season’s Deutsche Tourenwagen Masters – think touring car, only with 4.0-litre V8s and rear-wheel drive chassis. Is the Mercedes C-class Coupe AMG DTM a C63 AMG Coupe under the skin?

Chevrolet Sonic gets $14,495 base price

The new Chevrolet Sonic small car--which replaces the Aveo in Chevy's lineup--carries a base price of $14,495 for the sedan and $15,395 for the hatchback, including shipping charges, when it goes on sale this fall. The 2012 Chevy Sonic sticker price is a jump of $2,249 to $3,005 above the 2011 Aveo, but the Sonic is a new design that includes more standard equipment. It rides on General Motors' new Gamma platform.

Mazda's rotary spins to its 40th

By Tim Pollard Motor Industry 31 May 2007 02:03 Mazda yesterday celebrated 40 years of making rotary engines. It remains the only mainstream manufacturer persisting with this type of motor and has built 1.97 million of them since 1967. Rotary engines came to prominence in the 1950s as manufacturers experimented with turbine engines, but most admitted defeat in the face of technical difficulties and the inherent thirst of rotary units.