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Calculate fuel efficiency, trip costs, and compare vehicles
The average American spends $3,000+ per year on gasoline
A car's fuel efficiency drops 1-2% for every 100 lbs of extra weight
Air conditioning reduces fuel economy by 10-25% in city driving
Driving 65 vs 75 mph can improve fuel economy by 10-15%
Properly inflated tires improve MPG by up to 3%
Hybrids can achieve 50+ MPG in city driving
Idling for 30 seconds uses more fuel than restarting the engine
Aggressive driving (speeding, rapid acceleration) wastes gas by 33%