gas emitted from the exhaust pipe of an old and non-environmentally friendly car. the adverse impact of vehicles on the

pollution air traffic car road gas smoke close emission pipe environment smog health exhaust ecology transportation vehicle city atmosphere industry danger disaster dirty auto transport nature background dioxide fog automobile harmful substances engine emissions environmental policies sustainable fuel sustainability muffler industrial regulations gasoline power carbon contamination impact ozone closeup waste incineration emitted old non-environmentally friendly car adverse vehicles climate change problem