Q. Which car should I choose from Maruti Swift and I20 in petrol version. My need is better average, and best service after sales with value for money between the two.

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

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

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

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