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Toyota Avalon Hybrid Engine: 2.5-liter 4-cylinder Transmission: Continuously
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Toyota Avalon Hybrid

Engine: 2.5-liter 4-cylinder
Transmission: Continuously variable
Drive: Two-wheel
Fuel: Gasoline
Vehicle class: Midsize car
City/Hwy/Combined MPG: 40/39/40

Starting MSRP: $35,555(Credit: Toyota)

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Most fuel efficient cars of 2013

As the Obama administration works to wean the U.S. auto industry off of harmful emissions, cars are becoming increasingly fuel efficient. Here are the 2013 model-year cars that the U.S. Department of Energy and the Environmental Protection Agency have rated at a combined 40 miles per gallon of gas or more.