Q. What is the mileage of the BMW XM?

Tips on using your air conditioner efficiently and much more can be found in this guide to improve fuel economy

Braking wastes energy, reduces momentum and requires more fuel as you accelerate again. Here's a smart guide to driving efficiently by minimising braking

The way you drive can make the difference between good fuel economy and sometimes, terrible economy. Here's how to drive to get the best out of every drop of fuel

When you are stationary, you don't need the engine running all the time. This and more will help you save fuel...

Weight is the biggest enemy of fuel economy. The basic rule to save fuel is travelling light. But there's more to it than just that. You can start by purchasing a car that weighs the least