Learn how to fulfill the pledge as:
Tips For Reducing Your Impact
Save Gas, Save Energy
Keep your tires properly inflated. Every pound underinflation uses 6% more gas. And tune up your car. A poorly tuned car can use 25% more gas.

Learn how to fulfill the pledge as:
Keep your tires properly inflated. Every pound underinflation uses 6% more gas. And tune up your car. A poorly tuned car can use 25% more gas.
