GM's mileage claim for the Volt was seen as a move to differentiate it from competitor Toyota, which holds the hybrid market lead with its Prius and plans to release a plug-in Prius in 2012 (see Toyota to Mass-Produce Plug-In Prius in 2012). A Department of Energy test of plug-in hybrid vehicle demonstrations showed that more typical driving patterns could yield mileages about half those achieved in more controlled testing (see Are the Benefits of Plug-In Hybrids Overstated?).
#Chevy volt range mileage in city professional
The test was achieved using professional drivers, driving the cars on mostly flat roadways in mild weather, starting with a fully charged battery pack. For example, Google claimed that a test of converted plug-in hybrid Toyota Priuses showed the cars could get 93.5 miles per gallon on average, or 115 miles per gallon for city driving. The Volt would then extend that range using a gasoline-powered engine to charge its battery – a different technology than what is used in Toyota's Prius hybrid, which uses both its the gasoline engine and its electric motor to move the car forward.īut the methods used to calculate gas mileage for different types of plug-in hybrids is a matter of much contention. That's about how far eight in 10 Americans drive in a typical day, according to U.S.
The Volt is expected to run about 40 miles on its electric motor. That methodology would use kilowatt-hours per 100 miles driven as a benchmark, and GM expects the Volt to use as little as 25 kilowatt-hours per 100 miles driven The 230 miles-per-gallon rating could be achieved under a draft Environmental Protection Agency fuel economy methodology for plug-in hybrids, GM announced Tuesday. General Motors said Tuesday that its upcoming plug-in hybrid Chevy Volt will be able to get an impressive 230 miles per gallon in city driving – a claim that revived ongoing concerns about the sometimes questionable methods used to calculate gas mileage for plug-in hybrid vehicles.
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