DriveGain in an iPhone applicaiton that helps you save fuel as you drive.
The application that gives users visual and audio feedback on what changes they can make to their driving style to help them be more fuel efficient.
The basic app is free to download and there are in-app upgrades to add further functionality.
DriveGain also licenses their core fuel saving simulation engine to other third party application developers. For example in 2011 We launched Fueless in the Netherlands - a version of DriveGain re-branded for the Dutch Goverment's diving efficiency program (Het Nieuwe Rijden).
DriveGain is a privately held company based in Amersham in the UK. The company was founded by Simon East and Dr. Phil Dixon in December 2008.