The 2013 model year marks the first time when the Environmental Protection Agency's (EPA's) top ten most fuel efficient vehicles list is comprised entirely of electric vehicles. Electric vehicles are highly efficient so it is not surprising to see them topping the list. The fact that the list is now made up entirely of electric vehicles is a reflection of the growing number of electric models available to consumers.

The Scion iQ takes the top spot with a combined fuel economy of 121 MPGe (Miles Per Gallon equivalent) while the midsize Nissan Leaf comes in at number four. The Tesla Model S is a large sedan and comes with two battery pack options (60 kW-hr and 85 kW-hr) which achieved an EPA combined average of 95 and 89 MPGe respectively.

EPA Top Ten Rated Vehicles for Model Year 2013
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Note: The EPA tests all-electric vehicles at their testing facility in Ann Arbor Michigan (Fuel Economy Tests). Vehicles are fully charged and left overnight before testing. The vehicles are run through successive test cycles until they are unable to perform. The vehicles are then fully recharged and the electricity used to recharge the vehicle is measured at the wall outlet in kW-hrs. To determine the MPGe value, the EPA uses a conversion factor of 33.705 kW-hrs = 1 gallon of gasoline.
Source: U.S. EPA and DOE Fuel Economy Website. Accessed May 8, 2013.

Supporting Information

EPA Top Ten Rated Vehicles for Model Year 2013
 Make and ModelMiles per Gallon
1.2013 Scion iQ EV
Electric Vehicle, Auto (AV)
Combined 121City 138/Highway 105
2.2013 Honda Fit EV
Electric Vehicle, Auto (A1)
Combined 118City 132/Highway 105
3.2013 Fiat 500e
Electric Vehicle, Auto (A1)
Combined 116City 122/Highway 108
4.2013 Nissan Leaf
Electric Vehicle, Auto (A1)
Combined 115City 129/Highway 102
5.2013 Mitsubishi i-MiEV
Electric Vehicle, Auto (A1)
Combined 112City 126/Highway 99
6.2013 smart fortwo EV cabriolet
Electric Vehicle, Auto (A1)
Combined 107City 122/Highway 93
2013 smart fortwo EV coupe
Electric Vehicle, Auto (A1)
Combined 107City 122/Highway 93
7.2013 Ford Focus Electric
Electric Vehicle, Auto (AV)
Combined 105City 110/Highway 99
8.2013 Tesla Model S (60 kW-hr battery pack)
Electric Vehicle, Auto (A1)
Combined 95City 94/Highway 97
9.2013 Tesla Model S (85 kW-hr battery pack)
Electric Vehicle, Auto (A1)
Combined 89City 88/Highway 90
Note: The EPA tests all-electric vehicles at their testing facility in Ann Arbor Michigan (Fuel Economy Tests). Vehicles are fully charged and left overnight before testing. The vehicles are run through successive test cycles until they are unable to perform. The vehicles are then fully recharged and the electricity used to recharge the vehicle is measured at the wall outlet in kW-hrs. To determine the MPGe value, the EPA uses a conversion factor of 33.705 kW-hrs = 1 gallon of gasoline.
Source: U.S. EPA and DOE Fuel Economy Website. Accessed May 8, 2013.

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