Q. Is it possible to install AC to a Thar DI 4WD? Will it void the warranty? How will it affect its mileage? What will be the estimated cost?

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 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

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

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