Q. Is Ertiga in petrol VXi model is good in built quality & average?

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

If you are looking for good economy, buying the right car is the most important decision you can take

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

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

Unnecessary idling gets you nowhere and burns fuel in the process. Here's ways to avoid that