The Metropolitan Washington Airports Authority announced on Thursday the purchase of five fully electric-powered buses from Proterra Operating Company Inc. for use in its fleet of parking shuttles at Washington Dulles International Airport. This purchase, which is being funded by a grant from the Virginia Department of Environmental Quality, is a major step toward the Airports Authority’s goal of a more sustainable fleet of low- or zero-emission ground transportation vehicles.  

Participating airport concessions to be certified annually as part of overall expansion of sustainability efforts.