Rolling coal is the practice of deliberately modifying a diesel engine, often by removing its particulate filter or adding smoke switches and oversized exhausts, so that it emits large plumes of black or gray soot-laden exhaust on demand. Practitioners often use it as a form of anti-environmentalist protest, and because the modifications typically defeat legally required emissions controls, the practice is illegal in jurisdictions with clean air laws, in addition to reducing the vehicle's fuel economy.
Facts
Typical PenaltyConnecticut: fine up to 1000 dollars or up to thirty days imprisonment, or both 1 Notable Example2021 Waller County, Texas incident in which a 16-year-old rolling coal ran over six bicyclists 1 Classification
Offense GradeMinor or Summary Offense 1 Connections
In the Other Atlases
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Also in Geography Atlas: where this subject is found.
Source Rolling Coal (Wikipedia)Canada sectiontier 2Quote, Canada section
A person who contravenes this section commits an offence and is liable on conviction to a fine of not less than CA$50
Also in Geography Atlas: where this subject is found.
Source Rolling Coal (Wikipedia)United States sectiontier 2Quote, United States section
the United States Environmental Protection Agency stated that the practice was illegal, as it violated the Clean Air Act
Sources
1. Rolling Coal (Wikipedia)
Wikipediaen.wikipedia.org/wiki/Rolling_coal, lead paragraph
Rolling coal is used as a form of anti-environmentalism protest.
Legislation section, Connecticut HB-6975
Any person who violates the provisions of this subdivision shall be fined not more than one thousand dollars or imprisoned not more than thirty days, or both.
Texas 2021 incident paragraph
In 2021, six bicyclists training for a road race were run over by a 16-year-old who was rolling coal along Business U.S. Highway 290 in Waller County, Texas, outside Houston, when he attempted to drive ahead of the group to engulf them in the exhaust.
In Group: Pollution and Discharge Offenses, Lead sentence
Rolling coal (also spelled rollin' coal) is the practice of modifying a diesel engine to deliberately emit large amounts of black or gray diesel exhaust, containing soot and incompletely combusted fuel.
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