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On August 28th, the Office of the Inspector General of the U.S. Postal Service published the results of a feasibility study titled, "Electrification of Delivery Vehicles<http://www.uspsoig.gov/FOIA_files/DA-WP-09-001.pdf>." While the feasibility study reaches a foregone conclusion and recommends the purchase of a 3,000 unit demonstration fleet, I was surprised by the high level of Federal subsidies the Inspector General thought necessary to bring EVs within Postal Service capital investment policies. I was even more surprised by the conclusion that the tipping point in the economic analysis was revenue from ancillary vehicle to grid, or V2G, services. http://seekingalpha.com/article/159985-post-office-study-ev-economics-depend-on-smart-grid-revenue Dr. Stephen R. Humphrey, Director, School of Natural Resources and Environment, Box 116455, 103 Black Hall, University of Florida Gainesville, FL 32611-6455 USA Tel. 352-392-9230, Fax 352-392-9748 http://snre.ufl.edu<http://snre.ufl.edu/>