EVs and hybrids top consumer group's list; 2011s are graded under 2013 EPA sticker system.

Byline: Neil Roland

The Nissan Leaf and Chevrolet Volt electric vehicles, as well as an assortment of Ford, Honda and Toyota hybrids, would receive top fuel economy and emissions ratings if 2011 models were graded under the EPA's new window-sticker system, a consumer group said.

The EPA last month approved new mpg and pollution labels to go on vehicles in the 2013 model year.

One feature of the new stickers will be a 1-to-10 rating -- with 10 the best -- for fuel efficiency and tailpipe emissions, calculated by comparing the particular model to other new vehicles.

The Consumer Federation of America said 11 of the 1,052 models, or 1 percent, would get the …