Keep Your Tires Properly Inflated
Tires that are too low in pressure can increase rolling resistance, reducing fuel economy. The tire pressure directly affects gas mileage. Tire pressure directly affects gas mileage. Inflated tires can increase rolling resistance which in turn reduces fuel economy. According to the Federal website for fuel economy, proper inflation can improve fuel economy by up to 3%. According to the manufacturer’s instructions, you should ensure that your tires are properly inflated. These specifications can be found in the owner’s manual and a placard within your driver’s side door jamb.
Hypermilers may over-inflate tires. However, this practice is generally not recommended. Over-inflating tires can affect ride quality and increase the chance of tire failure from impact damage.
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