U.S. Postal Service Trucks, the largest contributor to the federal government fleet of vehicles.

Zipcar launches pilot program to lease fleet management technology to D.C. government vehicles. Photo by katmere.
The latest car-sharing model to hit the streets could save millions of taxpayer dollars, reduce pollution, and make it easier to beat the morning commute.
The one-of-a-kind service is called FastFleet, a new fleet management system designed specifically for the municipal [...]