Q. How much KM does it goes on one time charge and at what speed variables - e2oPlus?

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

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

Weight is the biggest enemy of fuel economy. The basic rule to save fuel is travelling light. But there's more to it than just that. You can start by purchasing a car that weighs the least

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

The way you drive can make the difference between good fuel economy and sometimes, terrible economy. Here's how to drive to get the best out of every drop of fuel