Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

918 a match for Ferrari and McLaren in corners, says Porsche

Had you forgotten about the third contender in the hybrid supercar wars, given the furious competition betwen Ferrari and McLaren? Porsche’s hybrid 918 Spyder is that third competitor, which mates a 4.6-litre normally aspirated V8 to an 84bhp front-drive electric motor and a 127bhp EV motor helping drive the rear tyres. It costs £768,026, and though Porsche won’t quite admit as much, you can still buy one of the 918 being produced - unlike the sold-out LaFerrari.

GM to pull Cadillac from some European markets

General Motors Corp. will halt Cadillac sales in more than half of the brand's European markets following the collapse of its regional distributor. The U.S.

Tesla system will swap a Model S battery in 90 seconds

"This is the title fight," said Elon Musk, in typical brashness. "This is battery-powered versus gasoline." The Tesla CEO preached this to a crowd of Tesla owners and supporters while formally confirming the company's worst-kept secret: the fact that the Model S sedan's batteries were designed from the beginning to be swapped out. The system Tesla envisioned has plenty of ambitious, techno-wizardry automation, with a focus on as much convenience as possible: The Model S will drive over a pit containing machinery which automatically changes the battery from underneath in approximately 90 seconds -- and the driver doesn't even have to get out of the car.