Could flat tires soon become a thing of the past?

Goodyear labs test tires for 24 hours at various loads and speeds. It’s thousands of miles non-stop. Some spokes warp, some break, but the structures continue to operate safely, Mr. Rachita says. “It’s test-learning, test-learning,” he says. “But we are at a stage that has given us tremendous confidence. This is the real deal.”