This discussion with expert panelists from the National Postal Museum, the Smithsonian Environmental Research Center, the United States Postal Service (USPS) and the Ford Motor Company focused on the environmental challenges of moving the mail. With a fleet of over 200,000 vehicles driving more than 1.2 billion miles each year, the USPS is poised to make changes that will have a dramatic impact on the environment. Panelists topics and subsequent discussion focused on practical and immediate solutions.