One recent Army Tropic Regions Test Center involved the Polaris MRZR, a military version of the popular off-road vehicle that that was outfitted with Tweels instead of standard tires. The Tweel, ...

Every weekend, trails and dunes across the United States come alive with thrill-seekers. You can spot them filling up at gas stations on the edge of town by the whip antennas, flat-brimmed hats and ...

SALT LAKE CITY — Manufacturers are working to perfect airless tires in hopes of making flats a thing of the past. Airless tires could improve road safety and benefit the environment, according to ...