Color-coding Gas Guzzlers

The UK's Transport Secretary unveils a new A-G labeling system to indicate the emissions of vehicles and other equipment.

"Four-wheel drives will suffer the ignominy of having to display red stickers, while small, fuel-efficient models will sport labels in shades of green.

Darling believes that the labels, inspired by the A-G stickers that reveal the emission ratings of fridges and washing machines, will encourage people to buy less harmful vehicles. The stickers are based on a car's emissions of carbon dioxide, the gas that scientists have identified as the principal cause of man-made climate change."