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

Eterniti Motors readies two SUVs and a sports car

New British car brand Eterniti Motors is steaming ahead with its plan to launch the Hemera - a new Cayenne-based SUV due in 2012 - and there are two other projects waiting in the wings, including a dramatic sports car. The first project for the London-based company is taking Porsche's Cayenne Turbo S and reconfiguring it with exotic new materials, a fresh wardrobe and a stretched cabin to free up more cabin space. Eterniti has also issued sketches of this supercar, but won't reveal yet the donor vehicle.

Concept Car of the Week: Nissan NX-21 (1983)

In the early 1980s, with the new millennium still seemingly an age away, Nissan Design America was tasked with imagining the family car of the future, while giving potential buyers a preview of the forthcoming N13 NX and EXA models. The resulting concept would be shown at the Tokyo motor show in 1983. Given confidence by the increasing success and expanding global presence of Japanese cars, including the previous generation N12 NX, Nissan's designers, led by Tom Semple, decided that the NX-21 (for 21st century) was the answer.

Renault Twizy RS F1 concept (2013) first official pictures

Renault has given the Twizy electric car a mad twist by bolting on an F1-style KERS system for Megane Renaultsport 265-worrying performance available for the very brave. The Twizy Renault Sport F1 Concept sits on single seater racing wheels, has an F1-apeing front splitter, side-pods, rear wing and even a rear diffuser to make the link to the racing side of Renault’s activities. F1-style KERS in a Twizy?