The actual fuel economy for PHEVs depends on their powertrain's operating modes, the all-electric range, and the amount of driving between charges. If no gasoline is used the miles per gallon gasoline equivalent (MPG-e) depends only on the efficiency of the electric system. The first mass production PHEV available in the U.S. market, the 2011 Chevrolet Volt, with an EPA rated all-electric range of and an additional gasoline-only extended range of , has an EPA combined city/highway fuel economy of 93 MPG-e in all-electric mode, and in gasoline-only mode, for an overall combined gas-electric fuel economy rating of equivalent (MPG-e). The EPA also included in the Volt's fuel economy label a table showing fuel economy and electricity consumed for five different scenarios: 30, 45, 60 and driven between a full charge, and a never charge scenario. According to this table the fuel economy goes up to equivalent (MPG-e) with driven between full charges.