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

Citroen Survolt (2010) at the Geneva motor show

Citroen had a genuine surprise at the 2010 Geneva motor show – the sleek Survolt sports car concept. Well, the pair shared the same rotating plinth on Citroen’s stand but that’s about it. Whereas the Revolte concept (revealed at the 2009 Frankfurt motor show) was a plug-in hybrid supermini, the Survolt is an all-electric sports car.

Concept Car of the Week: Dodge M4S PPG Turbo Interceptor (1985)

As a major paint supplier of Detroit's big three, PPG would commission every year a car to be used as a pace car in the Indy Car World Series. In 1984 Chrysler began the development of a mid-engined, rear-wheel drive car using an experimental powertrain. To avoid the costs of creating a whole new chassis, the M4S is based on a modified Huffaker tubular chassis with full roll cage taken from the Pontiac Fiero IMSA race car, only lengthened to a 100-inch wheelbase.

Nissan LEAF EV: 15,000 sold worldwide, but UK hasn’t fallen for electric cars

Nissan LEAF EV - 15k sold worldwide, but just a handful in the UK As electric cars go, the Nissan LEAF is one of the best. It looks like a proper car – even if it’s not exactly drop dead gorgeous – it has the accoutrements of a real car and you can pile in your shopping and the kids just as you could in any other family sized hatch. But from our perspective the LEAF is an orange trying to be a banana.