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12 worst cars for the environment in 2011

By: Melissa Hincha-Ownby on April 13, 2011, 10:25 a.m.
truck in field

Photo: Dodge

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Dodge Ram 2500 Mega Cab

The Dodge Ram 2500 Mega Cab is one of four pickup trucks that appear on the Meanest Vehicles for the Environment in 2011 list. The 5.7L 8-cylinder Ram averages 13 mpg in the city and 18 mpg on the highway. Although the Ram has a slightly higher fuel efficiency rating than the GMC Sierra K2500, it earned a lower Green Score — 20.