Answer: health effects could include irritation of the skin, eyes, and mucous membranes, respiratory effects, central nervous system depression, and cancer.
You can reduce pollution by:
Conserve energy - at home, at work, everywhere.
Carpool, use public transportation, bike, or walk whenever possible.
Follow gasoline refueling instructions for efficient vapor recovery, being careful not to spill fuel, and always tighten your gas cap securely.
Keep car, boat, and other engines properly tuned.
Be sure your tires are properly inflated.