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

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.

Alfa Romeo going to the USA

Alfa Romeo is going back to the US for the first time in almost 20 years We already know that the only Fiat making its way to the US is the Fiat 500, but it now looks as if a big chunk of the Alfa Romeo range will make the journey too. Sergio Marchionne, Fiat’s boss and the new head of Chrysler, has been working on rationalising Chrysler’s management and working out the best way forward. As mentioned, only the Fiat 500 will be offered for sale in America (and probably built in Mexico), with Fiat platforms being used to build new Chryslers that will be designed and built in the States.

Scary cars: AutoWeek's trick or treat list

It wouldn't be Halloween without a little car fun. So we asked a couple of our writers to hand out their picks for "scary" cars. First up: Kevin A.