Solid Scot wrote:
Environmental campaigners say all cars could be green
Motorists could soon shed their tag of enemies of the environment if the
Government agrees to back the use of “green fuels” in cars and other
vehicles.

George Monbiot on why widespread adoption of biofuels would be a
humanitarian and environmental disaster:-

http://politics.guardian.co.uk/colum...357500,00.html

There is no magic bullet.

Pete.