TirePressureMonitor

In September, all new cars sold in the U.S. will be required to have tire pressure monitoring systems. But for all those cars built without them, owners must rely either on their trusty gauge, or one of the new valve-stem monitors. If you've been wondering how well these things work, Consumer ...

Keeping your tires inflated helps prevent rollovers, and it can improve fuel economy by 10% or more. The problem is, most people are either too lazy or too stupid to keep their tires properly filled, so technology has to step up to do our bidding for us. Tire pressure monitoring is to be standard ...