Our friends at MoveBuilder have provided this great info graphic to help understand fuel efficiency. I know you will love it too.
Fuel efficiency is such a complex subject that there are so many different ways to look at it. If there are any other areas you are not sure about, please have a look at some of the other articles on our website - we do a lot of research to make sure we present our readers with everything there is to know.
Please leave us a comment if there are more aspects of fuel efficiency you would like us to cover, and, be sure to come back. We update our information on a regular basis.