Hyundai is on its way to a serious improvement over EPA regulations set to come into effect by 2016. The story inside.

The entire Hyundai fleet of cars, SUVs and trucks will have a combined average fuel economy rating of a minimum 50 miles per U.S. gallon, if the company meets its long term goals.  The Korean automaker would like to achieve that plan by 2025.

"We don't know specifically how to get there, but we do have a roadmap," said Hyundai Motor America top executive John Krafcik at the 2010 CAR Management Briefing Seminars, according to published reports.  For three years running, Hyundai has had the best fleet fuel economy of any auto manufacturer selling products in the United States.

One of Hyundai's most popular vehicles in the U.S., the Sonata, has a combined fuel economy of 26 mpg.  It is only sold with a four-cylinder engine, and is the 12th most popular car in terms of sales in the United States.

The Environmental Protection Agency an the National Highway Traffic Safety Administration have mandated fleet fuel economy of 35.5 mpg beginning in 2016.

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