Anti-Idling Sign: No-Idle Zone  
No Idle Zone / Anti-Idling

Idling Reduction Fact Sheet


Did you know?

  • Each of us takes 20,000 breaths each day.
  • The average American breathes 3,400 gallons of air a day.
  • Children breathe 50 percent more air per pound than adults.
  • Vehicle exhaust is the leading source of toxic air pollution in the state of Washington.
  • Idling consumes from gallon to 1 gallon of fuel per hour and wastes more fuel than turning off and on your vehicle engine.
  • Diesel exhaust contains microscopic soot, a particle that is about 200 times smaller than the period at the end of this sentence.
  • Diesel exhaust contains both very small particles and 40 chemicals that are classified as "hazardous air pollutants" under the Clean Air Act.
  • Idling buses tend to accumulate diesel exhaust, which may be retained during the ride depending upon bus ventilation rates.
  • It is more efficient to turn off most warmed-up vehicles than to idle for more than 30 seconds.
  • A single vehicle dropping off and picking up kids at one school puts three pounds of pollution into the air per month.
  • Carbon monoxide reduces the ability of blood to bring oxygen to body cells and tissues.
  • Asthma is the third leading cause of hospitalization among children under the age of 15.
  • Children's asthma symptoms increase as a result of car exhaust.
  • Asthma is the most common chronic illness in children and the cause of most school absences.
  • Exposure to vehicle exhaust increases the risk of death from heart and lung disease and lung cancer.

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