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Trusted local news leader for Prescott area communities since 1882
2:42 AM Sun, Aug. 19th

Column: Dying over diesel comes down to what?

Diesel vehicles spew black smoke out of the exhaust, which backers have always said is not as harmful as the exhaust from gasoline engines. A new study casts some doubt on that. (Courtesy)

Diesel vehicles spew black smoke out of the exhaust, which backers have always said is not as harmful as the exhaust from gasoline engines. A new study casts some doubt on that. (Courtesy)