Mercedes, THANKS Follow

SMALL cars sometimes struggle to climb steep hills. But a converted Chevrolet Lacetti has something special to help it along. Instead of having to keep changing down and revving harder to ascend a winding Alpine-type test track, the engine can cruise almost to the summit in top gear. This is because the car benefits from one of the developments that in these more economical and greener times promises to give the petrol engine a new lease of life.