Vehicles produce CO2 when they use fuel. The amount of CO2 produced is directly linked to how much fuel it consumes. Excess levels of CO2 can be harmful to humans and the environment.

Vehicles produce CO2 when they use fuel. The amount of CO2 produced is directly linked to how much fuel it consumes. Excess levels of CO2 can be harmful to humans and the environment.

The manual gearchange isn't as sweet as you'd get in a Mazda 3 or Ford Focus ... While diesel used to be the mainstay of the Vauxhall Astra range, now it's a niche offering that we suspect will be ...