Diesel pickup truck drivers know how to cheat — a lot
Cheating on diesel trucks emissions standards is widespread throughout the United States. The results of a recent study conducted by the U.S. Environmental Protection Agency’s Air Enforcement Division detail the removal of emission controls from more than 550,000 diesel pickup trucks around the country in the past decade. States without regular vehicle inspections have the highest percentage of diesel trucks with defeat devices. North Dakota has 18.6 percentage of defeat devices. Idaho (15 percent), Wyoming (14.2), Maine (13.5) and Michigan (13) are also high on the cheat list. California, which has strict enforcement of emissions standards, has a 1.8
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