Hypermiling is a collection of driving techniques aimed at improving a car's fuel efficiency by reducing the demands placed on the engine. It's possible to improve fuel economy by 37 percent just by changing the way you drive, so hypermiling is gaining interest in light of high fuel costs. While some hypermiling methods are controversial and potentially dangerous, this article will focus on safer techniques that can still save you gas and money.

The strategies for hypermiling are different depending on whether you're driving a gas powered car versus a hybrid versus a plug-in hybrid or purely electric powered vehicle. Some of the suggestions below may not apply depending on the type of vehicle you're driving.