Entire dissertations could be written about rolling coal. Even more than Trump’s ascension, it seems to perfectly capture a moment in time, an inarticulate yawp of protest from angry white men. They feel disdained and overlooked and they will blow thick black smoke in your face until you pay attention. post 
A modified Ford F-450 monster truck blowing large clouds of dark grey diesel smoke. details 
Rolling coal is a form of conspicuous air pollution. Some drivers intentionally trigger coal rolling to taunt environmentalists, such as those who drive hybrid vehicles, as well as bicyclists and pedestrians. wikipedia
Black carbon formed through the incomplete combustion of fossil fuels causes human morbidity and premature mortality.
It warms the Earth by absorbing sunlight and heating the atmosphere and by reducing albedo when deposited on snow and ice and indirectly by interaction with clouds. wikipedia
"Why don’t you go live in Sweden and get the heck out of our country," Mr. Blue wrote. "I will continue to roll coal anytime I feel like and fog your stupid eco-cars."
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I once equated the success of wiki to a culture that builds their homes out of wood knowing that they can be set afire with a single match.
Detroit’s inability to investigate and prosecute arsonists over the past two decades has meant homes and buildings have been rampantly destroyed by scofflaws who know there’s little fear of being caught. post
Hundreds of vehicles have been set alight in towns and cities across Sweden since the beginning of summer. The spate of car fires started in Malmö (where over 105 cars were torched since early July), only to spread to nearby cities and reach the capital city Stockholm. post