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Opel Flexstreme concept

By Tim Pollard Motor Shows 11 September 2007 03:13 Opel Flextreme: the lowdown Vauxhall’s European sister brand Opel showed off its surprise at Frankfurt today – the new Flextreme concept car. Under that voluminous monocab body lies GM’s E-Flex plug-in hybrid system. It’s the latest trend in hybrids, allowing up to 30 miles of zero-emissions electric operation, after which the diesel engine kicks in to recharge the battery.

Ferrari shows next Enzo's HY-KERS V12 at Beijing

Ferrari stole a surprise march at the 2012 Beijing auto show when it announced a few details about its forthcoming Enzo successor. The powertrain you see here is essentially the hybrid supercar architecture which'll underpin the new hypercar being readied for launch later in 2012. Ferrari chief Amadeo Felisa told CAR the electric powertrain would lop 10% off the 0-124mph time - and its V12 is related to that in the F12, but with more power and 40% lower CO2 emissions.

McLaren MP4-12C: The build begins +video

First McLaren MP4-12C being built You could be forgiven for thinking that McLaren had already started building their Ferrari 458 challenging car – the McLaren MP4-12C. After all, it’s been turning up all over the place for at least a year, and we even had a good view of the Volcano Orange MP4-12C from Goodwood as it passed us en-route to strut its stuff up the Goodwood Hillclimb last year. But the cars we’ve seen so far – even the Volcano Orange MP4-12C from Goodwood – were prototypes; McLaren’s running test beds for tweaking and refining the MP4-12C before the first cars reach customers this year.