Mobile source air pollution

Mobile source air pollution is pollution from things like cars and trucks. The pollution from these things gets released into the air when they are driven. This pollution can be harmful for people's health, so it is important to try to reduce it. One way to reduce the pollution from cars and trucks is to make sure the engines are running well, so they don't release too much pollution. Another way is to use cleaner fuels in vehicles, like electric or hybrid vehicles.