Q. Which variant has better mileage, c300 or progressive - C-Class?

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

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

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

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