Coal roller

{
  "id": "MLC-T-IND-001201",
  "term": "Coal roller",
  "field": "Industrial and trades",
  "definition": "A modified diesel pickup truck that has been altered to intentionally emit large plumes of black exhaust smoke. This practice is achieved by tampering with the engine's fuel injection system or exhaust gas recirculation. It is often associated with a subculture and is illegal in many jurisdictions due to environmental regulations.",
  "subject": "Automotive",
  "translations": {
    "de": "Coal Roller",
    "es": "coal roller",
    "fr": "coal roller"
  },
  "url": "https://mlchart.com/terminology/industrial/coal-roller/"
}