Cars are built to be most fuel efficient at a specific speed. The faster you go, the more gas you use to maintain that speed.

The Energy Department “lacks statutory authority” to apply a multiplying factor that boosted the miles per gallon equivalent for electric vehicles, the ruling said. The 8th U.S. Circuit Court of ...

in modern cars is influenced by a variety of factors, ranging from the vehicle’s design and engine efficiency to external conditions such as driving habits and environmental factors. Understanding ...

Here are some simple hypermiler tricks to help you increase fuel efficiency as gas prices continue to hover at four-year ...