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

Mercedes F125! concept hints at electric S-class

Here's a riddle for luxury automakers: How will big, high-powered cars fit into a world that's greener, more congested and more tightly regulated than today? Mercedes-Benz rolled out one possible answer here last month with the F125! concept car.

Porsche 911 GT3 R Hybrid at the Nurburgring – Video

The Porsche 911 GT3 R Hybrid Nurburgring video below In February we reported that Porsche has developed the unthinkable – a hybrid 911. But this wasn’t a hybrid 911 with a bank of batteries and a fluffy-bunny conscience, but a rampant track 911 with a great big electro-magnetic flywheel and a KERS-like thump of an extra 160bhp – the Porsche 911 GT3 R Hybrid. The 911 GT3 R uses technology developed by Williams F1 and comprises of a pair of generators in the front wheels that shove energy to a composite flywheel (conveniently located next to the driver – not sure how well that would go down on a road0going version) which is the stored and can be thrown at the back wheels whenever the driver wants, in a way very similar to KERS.

Renault Gordini back

The old Clio Renaultsport with a 1965 Renault Gordini 8 I think you’ll probably have to be over 40 – or a Renault nut – to have any knowledge of the Renault Gordini. But you’re soon going to be a bit more knowledgeable if reports that Renault are about to revive the Gordini name are true. There have been rumours for quite a while that Renault want to use the Gordini name on their ‘Sporty’ cars in the same way that BMW has used the Cooper name on MINIs and Fiat the Abarth name.