Raser Technologies has debuted a Hummer H3 converted into a plug-in series hybrid to coincide with the company's listing on the New York Stock Exchange
The standard Hummer four wheel drive, automatic transmission and transfer case is retained but moved back in the chassis to accommodate a 200kw AC induction motor
The plug-in technology demonstrator has the original 5.3-liter, 14-miles per gallon, V8 engine removed and replaced with a much smaller 2.2-liter turbocharged, four-cylinder EcoTech engine
As a series hybrid, there is no mechanical connection between the Hummer H3's engine and wheels
While Raser Technologies' claims of 100 mpg sounds impressive, it is only achieved in electric-only mode, where energy consumption is usually measured in watt-hours per mile
Raser Technologies has debuted a Hummer H3, converted into a plug-in series hybrid, to coincide with the company's listing on the New York Stock Exchange. With the aerodynamics of a house – it has a drag coefficient of .43 (Cd .43) – and a curb weight of 4700 lb (2132 kg) in standard trim, the H3 hardly makes an ideal vehicle to base a hybrid conversion on. Raser chose the Hummer because trucks and SUVs have been among the best-selling vehicles in the US and stood to benefit most from increased fuel economy and reduced emissions. The recent economic slump and fuel price volatility have led to the Hummer brand being put up for sale (with no takers), while SUV sales have stalled with many SUV plants now closed.
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