三藩市環境局

How often should I check my vehicle tire pressure to improve my gas mileage?

Check your vehicle tire pressure at least once a month to improve your gas mileage and maintain proper tire pressure.

Properly-inflated tires

  • Are safer and last longer
  • Improve gas mileage up to 3.3% for savings of up to $.10 per gallons
  • Are better for the environment

Under-inflated tires

  • Cause uneven tire wear or even tire blow-out 
  • Reduce fuel efficiency
  • Lead to more tailpipe emissions

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