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The man Porsche must fear in aftermath of fatal Paul Walker crash

Raise your hand: Who thinks there won't be a lawsuit over the Porsche Carrera GT crash that killed “Fast and the Furious” actor Paul Walker, and his friend, business associate and driver Roger Rodas? Nobody? Thought so.

GM continues work on fuel-saving engine technology

Sometime in the next decade, you might be able to enjoy some of the benefits of a diesel without driving one. A technology called HCCI improves fuel economy 15 percent and releases fewer emissions by using a combustion process similar to what is used in diesel powerplants. General Motors continues work on the project, which could be applied across a range of engine sizes and used with other advanced fuel-saving technologies to help the company comply with the proposed new mileage and emissions targets announced Tuesday by President Barack Obama.

Daimler and BYD name new brand Denza

Mercedes-Benz sources in Germany have confirmed Chinese media reports suggesting that parent company Daimler and Chinese carmaker BYD's new joint venture brand will be called Denza. Created as a Chinese-market-only brand, Denza is planned to support a range of "affordable" electric-powered vehicles, the first of which is set to be unveiled at the Beijing motor show next month. Based on the underpinnings of the first-generation Mercedes-Benz B-class--a car originally designed to accept batteries within its flat floor structure--the first Denza model was developed in China by a team of engineers from both Daimler and BYD Auto.