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

Porsche Panamera S E-Hybrid does 62mpg in the hands of motoring journalists

The Porsche Panamera S E-Hybrid – a Panamera with a plug-in hybrid powertrain – arrives last month, along with a 2013 facelift for the Panamera range , complete with claims from Porsche that it could do 91mpg. That was never going to happen in the real world, but Porsche has followed up its official economy figures with a degree of proof that the Panamera E-Hybrid can actually achieve very impressive economy numbers in the real world, and in the hands of motoring journalists – a group not renowned for their light touch on the throttle. At a press event in Hockenheim, Porsche let car journalists loose on the Panamera E-Hybrid for a total of 42 drives over a total distance of 750 miles and returned an average of 62mpg.

Microsoft demos Apple CarPlay rival

The battle between Microsoft and Apple is being fought on the desktop, on the smartphone and now in the car. At its Build 2014 developer conference, held earlier this month in San Francisco, Microsoft demoed an early version of Windows In The Car, its response to Apple's CarPlay system we saw at the Geneva Show back in March. As you'd expect, In The Car's design follows the look of Microsoft's latest Windows and Window Phone operating system pretty closely.

New McLaren F1 or MP4-12C Spider about to be revealed?

New McLaren F1 about to be revealed to McLaren VIPs? It looks like McLaren are about to reveal a new car to McLaren owners and VIPs. But is it the new McLaren F1 or the MP4-12C Spider?