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.

A varied engine range, smart interior and comfortable ride make the Mercedes GLA a good buy, albeit a fairly pricey one. Though its name isn't short for glamorous, we think many would use such a word ...

"The GLA is more refined, better to drive and feels more luxurious than ever." Since the all-new Mercedes-Benz A-Class launched a couple of years ago, there has been a flurry of new models that share ...