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

pollution air car road gas smoke emission pipe environment smog health exhaust ecology transportation vehicle atmosphere clean energy industry danger disaster dirty auto transport nature background dioxide fog automobile environmental technology steam muffler respiratory climate change eco global warming carbon footprint contamination sustainability harmful substances quality fuel waste incineration fumes gasoline urban impact sustainable emitted old non-environmentally friendly car adverse vehicles change problem