One of the largest consumers of fuel is the automobile , the ordinary family car , and the trucks that ply our highways, plus a multitude of internal combustion engines used for many different purposes. … There is a lot of talk these days about hybrid cars . Simply put, hybrid cars combine two-types of power, usuallly gasoline and electricity, in an attempt to increase vehicle efficiency and reduce the amount of gasoline used. Such a car is usually built as an electric car …