18/06/2008 20:11. HERES a car that proves going green doesnt mean giving up on thrills. The new Caterham Roadsport blends a 150bhp Ford Sigma engine with the firms Lotus Seven-inspired chassis to create a car thats brilliant fun to drive and also has low emissions.

And although nobody would suggest the two seater was conceived as a planet saver, its a welcome coincidence that its light weight means it doesnt need a gas-guzzling engine to provide driving thrills.

With a kerbweight of 550kg, the Roadsport has a power-to-weight ratio of 270bhp per tonne, which is the same as a Porsche 911 GT3. As a result, the sprint from 0-60mph is covered in exactly five seconds, making this car nearly as fast as its German rival!

And on the road that makes a real difference, as... // AutoExpress