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Committee hears bill to ban ‘rolling coal’ from diesel vehicles under 18,000 pounds
Summary
HB 441 would prohibit intentional modification of light diesel vehicle exhaust systems that emit excessive smoke. Sponsor said the measure protects public health and reduces black‑carbon emissions; the Department of Environmental Services said anti‑tampering statutes and opacity testing already exist but did not take a position.
Lede: The House Transportation Committee heard HB 441 on Feb. 17, which would ban intentional modification of diesel vehicle exhaust systems on vehicles under 18,000 pounds to emit thick black smoke commonly called “rolling coal.”
Nut graf: The sponsor framed the proposal as a public‑health and safety measure that would curb deliberate, visible emissions from modified light‑duty diesel vehicles. The Department of Environmental Services told the committee existing tampering rules and opacity testing tools are available, and that complaints can be filed for enforcement under current…
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