In a basic way, but fuel efficient cars usually refers to gasoline or diesel cars that get great mileage per gallon, energy efficient refers to any vehicle including hydrogen, electric, and hybrid.
This is a point of view issueIn comparison to a bicycle, noIn comparison to a diesel truck , yes veryBut the serious view point will point out that per person moved the automobile is very fuel...
The most fuel effincient car is the Honda Hybrid. --- Hydrogen-fueled cars such as the Honda Clarity FCX and new H2 Mazda RX-8 don't even use gasoline/diesel. Volkswagen Lupo 3L uses 78 miles per US...
There are many factors that effect the fuel efficiency of an automobile. Many factors are related to the engine and the engineering of the components of an engine in an effort to achieve the maximum...