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Mercedes color and trim manager on the new SL-Class interior [w/video]

Mercedes has released a video as part of the Mercedes-Benz New York Fashion Week, discussing interior design details of the new 2013 SL-Class. In the video Nicola Ehrenberg-Uhlig, manager of color and trim for Mercedes-Benz, explains the choices made when the vehicle was designed and how the design team wanted to convey the car's personality via special materials. Aviation is the theme for the new SL-Class, which in the designers' minds stood for clear design, functionality, speed and power.

Porsche 911 GT3 R Hybrid (2011) first official pictures

Porsche has released details of its updated 911 GT3 R Hybrid – the 2010 original nearly won last year's Nurburgring 24hr race before (ironically) it retired with petrol engine failure.  The 2011 Porsche 911 GT3 R Hybrid – the lowdown Before this report disappears in a chorus of ‘it looks the same as last year’s one’, let's outline where Porsche’s engineers have been busy. At the unfashionable end of the car remains a 4.0-litre flat-six engine producing approximately 470bhp. Up front are twin electric motors, now producing 75kW of power each (up from 60kW) and combined these give the GT3 R Hybrid a 197bhp electric boost, which can be programmed to activate automatically via the throttle pedal, or manually selected during overtaking. F1-derived hybrid tech for the 911 GT3 R Hybrid Power for the two electric motors doesn't come from batteries, but flywheel accumulator technology from Williams Hybrid Power, an offshoot of the Williams Formula 1 team. The flywheel, encased in a carbonfibre safety cell in the space where the passenger seat would be, spins at up to 40,000rpm and acts as a mechanical energy store for the electric motors. Regenerative braking feeds energy back into the flywheel system – no surprises there, as the technology is derived from Williams' exeprience with Kinetic Energy Recovery Systems (KERS) in F1.

Freightliner reveals new truck concept [w/video]

Freightliner Trucks has unveiled a new concept vehicle, dubbed the Revolution Innovation Truck, at the 2012 Mid-America Trucking Show. Freightliner has built upon the first Innovation Truck, unveiled in 2009, and has updated the cabin with the latest technologies while keeping the essential day- and night-time functions of the tractor unit. The Revolution Innovation has been aerodynamically optimized, with a sloping hood, low-mounted grille and an integrated, raised over-cab roof.