Time for Postal Service fleet to go green, lawmaker says

From horse-drawn wagons to stage coaches, trains and 18-wheelers, the U.S. Postal Service has used virtually every mode of transportation to deliver the mail. But a New York lawmaker says it's time for the mail service to start using at least 20,000 electric vehicles to stamp out the agency's environmental waste.

http://www.washingtonpost.com/wp-dyn/content/article/2009/12/16/AR2009121604163.html
Washington Post
Ed O'Keefe, December 17, 2009