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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.

Nissan 370Z convertible likely to break cover at New York auto show

The drop-top version of the Nissan 370Z likely will bow at the New York auto show. The convertible follows the coupe version, launched at the end of December. The open-air 370Z would arrive for the 2010 model year.

Dodge Challenger SRT-8 (2008): first official pictures

By Ben Pulman First Official Pictures 07 February 2008 14:53 Finally the Dodge Challenger SRT-8 is here. Unveiled at the Chicago Auto Show this week the striped orange muscle car is running a Hemi V8. That means 425bhp and 420lb ft from 6.1-litres.