Its called "Rolling Coal" or "Blowing smoke" and is a texan fad.
September 27, 2021 :
https://www.ksat.com/news/texas/2021/09/27/driver-16-blowing-black-smoke-runs-over-6-cyclists-training-for-ironman-triathlon-on-texas-highway-reports-say/
Rolling coal on BLM negroes , compilation ! (funny) :
https://www.youtube.com/watch?v=rYPMbLO4pAY
(post is archived)