Best Buy closely manages its fleet of more than 4,000 vehicles. In 2013, the company reduced carbon emissions by 16% using smaller vehicles and mapping out the most efficient routes. Best Buy also is reducing miles driven with empty trucks by backhauling waste for recycling partners. In 2013, Best Buy reduced 560,000 empty truck miles. The company also requires transportation partners to be certified through the U.S. Environmental Protection Agency's SmartWay program, follow the Coalition for Responsible Transportation's standards for using trucks and engines, and adhere to a "no idling" policy.