The Sacramento Municipal Utility District, an agency that many young kids grow up dreaming about working for someday, is testing out a plug-in hybrid crafted by Valence Technology and Energy CS. The car is a 2005 Toyota Prius that contains a lithium-ion auto battery from Valence that essentially lets the car run mostly on electricity. The battery gets recharged through a wall socket.
Plug-ins get about 100 miles to the gallon, although the cost of the additional battery makes them a tough sell, concede plug-in proponents. The range is also limited, but that's not a big deal for fleet … Read more