The Saab 9-4X BioPower Concept, revealed at the North American International Auto Show in Detroit, confirms Saab’s plans to enter the growing Crossover segment with what the company describes as “a dynamic, driver-focused vehicle inspired by Scandinavian values in design and respect for the environment.”

Here is Toyota’s concept for the future of green sports cars, and is being seen as a spiritual successor to the Supra. The 3.5 litre V6 hybrid electric vehicle ticks all the right boxes, but just leaves us with one question – when can we buy one?

Volkswagen has unveiled its compact 4x4, the Concept Tiguan, at the Los Angeles Auto Show, and has announced that the first examples of the SUV will be delivered to customers by the end of next year.

At the Paris Motor Show later this month Peugeot will reveal the ‘207 EPURE’ concept car – a glimpse of a future 207 model fitted with the latest PSA Peugeot Citroën Group’s fuel cell technology.

The Citroën C-Métisse concept car is the latest vehicle to prove that manufacturers are taking hybrids increasingly seriously.

The All Wheel Drive Volvo XC60 has a bio-ethanol engine. It looks good, and Volvo claim 80 per cent lower carbon dioxide emissions compared with the same engine running on petrol.