Still Filing Your Car's Tires With Air?

Nitrogen May Help Save Motorists Money

BOSTON -- In the world of car tires, there may be a change in the air. It seems air might not be the best thing to pump into them.

NewsCenter 5's Jim Boyd reported Thursday that those who deal with cars everyday said one of the key ways motorists can save gas is by paying attention to the rubber that hits the road.

"Forty percent of the tires that are on the road are underinflated, and that kills the gas mileage," auto technician Jim Lahaise said.

Lahaise said that motorists could check inside the driver's...

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