The EcoSpeed app takes into account various factors, such as the number of traffic stops, speed limits and local traffic conditions, to plot the most fuel-efficient route
By now, we should all know that how you drive has a huge influence on fuel economy, but knowing exactly how to drive in certain circumstances to maximize fuel economy isn't always easy. We've looked at various technologies designed to make the task of traveling at the most fuel efficient speed, taking the most fuel-efficient - if not necessarily the shortest - route, and taking into consideration traffic conditions, that little bit easier. Now there's an app for mobile devices that does all these things. Called EcoSpeed, its creators say it could provide fuel savings of as much as 30 percent.