A used Harley-Davidson motorcycle allegedly equipped with air pollution "defeat" devices. An environmental group that won a Clean Air Act violations lawsuit over the Diesel Brothers reality TV stars ...

SALT LAKE CITY (KUTV) — The Utah Physicians for a Healthy Environment filed a federal lawsuit on Monday against a Salt Lake based Harley-Davidson dealership alleging it removes and installs parts that ...

Though sound and noise analysis cannot diagnose all potential gearbox or gearmotor problems, sound measurement can provide valuable clues about a gearbox's condition. Here we review one approach.