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| Agressive driving can be a significant factor in fuel efficiency. |
Drive Sensibly
Aggressive driving (speeding, rapid acceleration and braking) wastes gas. It can lower your gas mileage by 33 percent at highway speeds and by 5 percent around town. Sensible driving is also safer for you and others, so you may save more than gas money.
(Fuel Economy Benefit 5-33% Equivalent Gas Savings $0.18-$1.19/gallon)
While each vehicle reaches its optimal fuel economy at a different speed (or range of speeds), gas mileage usually decreases rapidly at speeds above 50 mph.
You can assume that each 5 mph you drive over 50 mph is like paying an additional $0.25 per gallon for gas.
Observing the speed limit is also safer.
(Fuel Economy Benefit 7-14% Equivalent Gas Savings $0.25-$0.51/gallon)
Remove Excess Weight
Avoid keeping unnecessary items in your vehicle, especially heavy ones. An extra 100 pounds in your vehicle could reduce your MPG by up to 2 percent. The reduction is based on the percentage of extra weight relative to the vehicle's weight and affects smaller vehicles more than larger ones.
(Fuel Economy Benefit 1-2% Equivalent Gas Savings $0.04-$0.07/gallon)
Avoid Excessive Idling
Idling can use a quarter to a half gallon of fuel per hour, depending on engine size and air conditioner (AC) use. Turn off your engine when your vehicle is parked. It only takes a few seconds worth of fuel to restart your vehicle. Turning your engine on and off excessively, however, may increase starter wear.
(Fuel Cost Savings $0.01-$0.03/min. [AC off] Fuel Cost Savings $0.02-$0.04/min. [AC on])
Use Cruise Control
Using cruise control on the highway helps you maintain a constant speed and, in most cases, will save gas.
User Overdrive Gears
When you use overdrive gearing, your car's engine speed goes down. This saves gas and reduces engine wear.
Note: Cost savings are based on an assumed fuel price of $3.61/gallon.
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