What's the most fuel-efficient vehicle sold in the United States? Well, for 2012 it's the Mitsubishi i, at least according to the Environmental Protection Agency and the Department of Energy.

The federal agencies have issued the latest edition of their Fuel Economy Guide, and Mitsubishi's subcompact electric leads all vehicles with a combined rating of 112 miles per gallon of gasoline equivalent. The Nissan Leaf is second at 99 MPGe, the Ford Transit Connect Electric is third at 62, and the Chevrolet Volt ranks fourth at 60 MPGe.

Of course, they're all electric vehicles (well, in the case of the Volt, a part-time EV), which is why their mileage numbers are listed as MPGe. The highest-rated vehicle powered by a conventional internal combustion engine continues to be the Toyota Prius, at 50 miles per gallon combined.

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2012 Mitsubishi i Ranked #1 Fuel Economy Leader in the EPA's Annual Fuel Economy Guide

CYPRESS, Calif., Nov. 17, 2011 /PRNewswire/ -- Mitsubishi Motors North America, Inc., (MMNA), is proud to announce that the company's innovative and fun-to-drive 2012 Mitsubishi i electric vehicle has scored first-place honors on the EPA's list of "Fuel Economy Leaders: 2012 Model Year" in the governmental agency's annual Fuel Economy Guide thanks to its astonishing EPA-rated 112 combined/126 city/99 highway MPGe (miles per gallon equivalent).

According to the EPA's website, the Fuel Economy Guide is "an annual publication containing the fuel economy estimates for all cars and light trucks. The guide includes much more information that appears on the window sticker alone. It includes information about alternative fueled vehicles, the range of fuel economy for different classes of vehicles, a list of fuel economy leaders, and tips for improving fuel economy."

The annual Fuel Economy Guide is published jointly by the Environmental Protection Agency (EPA) and the Department of Energy (DOE).

"We are very pleased to see that the Environmental Protection Agency and the Department of Energy have rated the 2012 Mitsubishi i as the top fuel economy leader in its annual Fuel Economy Guide," said Yoichi Yokozawa, President and CEO of Mitsubishi Motors North America, Inc. (MMNA). "With 17,000 i-MiEV-based units* produced for various international markets, we look forward to providing North American consumers with an exceptionally well-engineered electric vehicle that has proven itself to be reliable, safe, efficient and very affordable in overall price and cost of operation."

* As of October 2011. Figure includes units produced for PSA Peugeot Citroen.

About Mitsubishi Motors Corporation

Mitsubishi Motors North America, Inc., (MMNA) is responsible for all manufacturing, finance, sales, marketing, research and development operations for Mitsubishi Motors in the United States. MMNA sells coupes, convertibles, sedans and sport utility vehicles through a network of approximately 400 dealers. In November of 2011, MMNA will launch the battery-powered electric vehicle Mitsubishi i as part of a corporate mission to offer consumers more environmentally responsible modes of transportation. This battery-powered electric vehicle technology addresses the need for vehicles that produce zero tailpipe emissions and support a growing agenda for sustainability. For more information, contact the Mitsubishi Motors News Bureau at (888) 560-6672 or visit media.mitsubishicars.com.

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