Convert Fuel Economy Idaho Prius 
Green Car Congress
FEBRUARY 19, 2009
A Dominion PHEV Prius and hybrid bucket truck. Two Toyota Prius hybrids have been converted with the Hymotion L5 Plug-in Conversion Module from A123Systems. Two Toyota Prius hybrids have been converted with the Hymotion L5 Plug-in Conversion Module from A123Systems. Click to enlarge.
Green Car Congress
SEPTEMBER 29, 2009
Official fuel economy testing for all vehicles is conducted on chassis dynamometers, which are basically treadmills for cars and trucks. One subtlety of chassis dynamometer testing is that vehicle fuel economy measurements using decades-old standard speed profiles may be overly optimistic compared to today’s average on-road fuel use.
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