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Starting January 1, 2017, vehicles weighing 14,000 pounds or more are prohibited from idling more than five minutes (30 minutes for buses) within the City of San Antonio.
Exemptions are made for some emergency and extenuating circumstances.
Why is idling large vehicles harmful to public health?
>Breathing vehicle emissions increases the risk of respiratory illness, especially in children.
>Emissions from vehicles combine in sunlight to form ground-level ozone pollution.