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Mercedes plans electric version of SLS AMG supercar

Huge news at Mercedes-Benz: Engineers from its AMG performance-car offshoot are developing a plug-in electric version of the upcoming SLS supercar as part of a broad-based efficiency program to place the automaker at the leading edge of socially acceptable performance-car motoring. Tentatively planned for production in 2015, the new zero-emission supercar draws heavily on the production version of the yet-to-be-fully-revealed SLS scheduled to get its first public outing at the Frankfurt motor show on Sept. 15.

Insane £2.8m Lamborghini Veneno Roadster: in pictures

One of the reassuring things about the, uh, extraordinary Lamborghini Veneno that debuted at the 2013 Geneva Motor Show was that Lamborghini would only build three of them. So the chances of it actually poking your eye out were really rather slim. Now though, Lamborghini has confirmed it will also build the even more astonishing Veneno Roadster pictured above.

GM's top battery executive for the Volt to join California startup

General Motors's top executive in charge of developing batteries for the Chevrolet Volt plug-in hybrid is leaving to take a position with an unnamed startup battery company in California. Denise Gray, 46, global director of rechargeable energy storage systems, will step down March 5 after more than three years in the post. This was “an opportunity that I could just not resist,” Gray said in a phone interview.