Add Yahoo as a preferred source to see more of our stories on Google. DENVER (KDVR) — Northbound Interstate 25 was reopened on Thursday morning after a U-Haul spilled fuel on the interstate following ...

A new partnership put together by the University of Maryland is taking aim at cleaning up one of the main sources of air pollution in the port of Baltimore: hundreds of aging, diesel-belching ...

For heavy-duty vehicles like long-haul trucks, batteries often fall short. They take too long to charge and weigh too much. Hydrogen fuel cells offer a promising alternative. They can be refueled ...