The rubber is meeting the road in automakers' quest for a quick gas mileage boost.
Automakers have developed a budding affection for "low-rolling-resistance" tires to squeeze a few extra miles per gallon from every model.
"They are putting much more emphasis on fuel economy than ever before" when it comes to picking tires, says Mike Martini, president of the Bridgestone division that supplies automakers.
Gas-saving tires have rolled out in the past, but attracted limited interest in an era of low-cost fuel. They are made with specially formulated compounds and tread designs that cut road friction. But sometimes, there was a trade-off: less road grip or durability.
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