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Mercedes Shooting Break concept (2010)

By Tim Pollard First Official Pictures 19 April 2010 23:00 Mercedes is this week – volcanic ash cloud notwithstanding – due to unveil this new Shooting Break concept car at the 2010 Beijing auto show. It's a barely disguised show version of a sporting CLS estate. Think a Mercedes wagon for picky types who find the E-class Estate a tad too sensible.Stuttgart is being unusually candid about this car's provenance, sprinkling the press kit with hints that this will join the next CLS family as a sporty, crossover coupé-estate.

Renault Fluence Z.E.

Honoring its 2009 Frankfurt motor show pledge to offer EV's by 2012, Renault has announced the Fluence Z.E., which will soon be offered alongside its conventionally-powered sibling. In making its transition to EV, the Fluence has undergone several changes; the most obvious being the battery pack which dictated an increase in the car's overall length. The extended rear quarter panels, which equate to the 130mm growth, add a sizeable visual weight to the rear of the car.

Report: Gasoline engine has big bang for the fuel-economy buck

A government report says improving the gasoline engine will yield huge gains for the consumer and the environment as automakers consider ways to improve fuel economy over the next 14 years. The Obama administration's technical assessment looked at four technology scenarios by which automakers might attain suggested CAFE goals of 47 to 62 mpg for cars and light trucks by 2025. The scenarios differed by the portion of an automaker's fleet that was accounted for by electrics, hybrid electrics and plug-in hybrid electrics.