tires

The Score

Speeding Past the Competition

A new sensor from BERU brings professional car-racing teams up to speed on tire conditions like no sensor has before

Checking your tire pressure might save you a few cents on gas, but the technology behind rubber meeting road is a bit more critical in F1 racing than in commuter frugality. Professional teams have long collected data on tire pressure and air temperature through sensors on a tire’s valve stem during a race. But these sensors are susceptible to “heat soak” from the rim, and brakes and were unable to measure the critical temperature of the actual tire carcass.

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Boots for Your Tires

An alternative to chains, Snobootz wrap around your tires for extra traction in winter weather

Even with a vehicle that has 4WD and high clearance, there are a few times each winter when I can't make it up my 1,000-foot-long driveway without a little extra help. Usually that means untangling a set of ice-cold chains and then trying to secure them to my wheels before my fingers go numb...all while holding a flashlight between my teeth. Chaining up is never as quick or as easy as the instructions would suggest.

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EarthTalk

Pumping Up With Nitrogen

How much does what's in your tires affect mileage?

Dear EarthTalk: Is using nitrogen to inflate my car's tires really better for the environment than using air? And if so, how? -- Roger Mawdsley, Abbotsville, BC

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