Now auto parts are obtained from trees.

The BMW i3 combines premium quality and sustainable design. This is reflected by the used materials. Driving the next movement. Find out more: www.bmwgroup.com/nextmovement

Vauxhall Ampera, new green car. Introduced by Malcolm Ward, Director of Exterior Design at Vauxhall Opel. Hear from the brains and the inspiration behind the style, design features, boomerang lights, aero dynamics. For more information on Vauxhall Ampera, please visit http://www.vauxhall-ampera.co.uk

In this animation series from the Energy Saving Trust, Robert Llewellyn compares different vehicles and describes the different fuel technologies available to help you decide which one works best for you. Episode six: Electric Vehicles.

In this animation series from the Energy Saving Trust, Robert Llewellyn compares different vehicles and describes the different fuel technologies available to help you decide which one works best for you. Episode five: Extended-Range EV .

In this animation series from the Energy Saving Trust, Robert Llewellyn compares different vehicles and describes the different fuel technologies available to help you decide which one works best for you. Episode four: Plug-in Hybrid.

In this animation series from the Energy Saving Trust, Robert Llewellyn compares different vehicles and describes the different fuel technologies available to help you decide which one works best for you. Episode three: Hybrid.

In this animation series from the Energy Saving Trust, Robert Llewellyn compares different vehicles and describes the different fuel technologies available to help you decide which one works best for you. Episode two: Diesel.

In this animation series from the Energy Saving Trust, Robert Llewellyn compares different vehicles and describes the different fuel technologies available to help you decide which one works best for you. Episode one: Petrol.

Get the lowdown on electric, plug-in hybrid and extended-range electric vehicles. Find out what the benefits are to motorists, including lower running costs.

A race where the winner is not necessarily the fastest, but the one that produced the least carbon. London companies competed with each to demonstrate who owns the cleanest and greenest fleet in the capital.