Q. Which diesel variant is fuel efficient?

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

Engine is the heart of your car. Knowing it well and keeping it healthy can save you a lot of fuel

A start-stop system turns your engine off when you are stationary and saves you fuel in the process. Here's more on how you can improve fuel economy by using start stop systems

The type of engine oil can make a huge difference to the fuel economy of your car. Here's a guide to pick the right oil

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