Q. What is the range of the Audi e-tron?

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

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

Drag or wind resistance is the main cause of high fuel consumption. Learn how to save fuel by driving behind a larger vehicle and using your vehicle's inertia to move ahead without using fuel

Clean aero is as important for fuel efficiency as it is for performance in a straight line. We tell you more about how it helps in the former case

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