Scientists have learned that particles from car tires are a leading culprit in salmon declines in the Pacific Northwest—and ...

or longer tire life? Well, sort of. Traditionally, car tires have been filled with compressed air. Air is 78 percent nitrogen and just under 21 percent oxygen, and the rest is water vapor ...

[Michael Rectin] is in on the action, and he’s been exploring how to 3D print a decent set of tires to help his RC car reach higher speeds mph. His first efforts involved experiments with TPU.