| 1 | If tires could be improved, automobiles would need less fuel. | |
| 2 | It is said to burn only one fourth of the fuel of conventional diesel-powered cars. | |
| 3 | If one of your tyres is under-inflated by just two pounds per square inch, fuel consumption goes up by 1%. | |
| 4 | America no longer has a Hummer economy (General Motors is considering selling off the gas guzzler). | |
| 5 | For this reason, the average fuel use for light trucks has not changed much since 1985. |