You need to understand how to save gas while driving if you want to bring down your fuel bill, but exactly what can you do?

Gasoline and diesel are two completely different types of fuel. Choosing the wrong type for your vehicle could end in an ...

The answer is obvious, but the difference is surprising when you crunch the actual numbers, plus intangible gains, like ...

A pump can only be off by six cubic inches of fuel, or about 100 milliliters. If it dispenses more or less fuel than the ...