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#1. New air filter can save you 10%
#2. Front end alignment can save 10%
#3. Tune up can save 4%
#4. Proper tire inflation can save 2.8%
#5. Proper gas cap can save .5% (1 cent per gallon @ $2 a gallon)
#6. Slowing down can save 7%
#7. Driving Smoothly can save 33% (66 cents per gallon @ $2 a gallon)
#8. Laying off the brakes can save 35%
#9. Carrying less weight can save 1-2% (let's just say 1%)
#10. Don't idle can save 1 cent per gallon for every 3 minutes - I idle maybe 6 minutes a day for a 2 cent or 1% savings by turning off engine.
So if I add up all my savings, I can expect to increase my gas mileage by 104.3%. It looks like I will have to stop every few miles to drain some gas out of my tank.
If you believe all this, maybe you can tell me where the Missing Dollar went.