Imagine a six-inch-thick, high-voltage electricity transmission line running underwater on the bottom of the Columbia River, ...

Measures such as increasing clean transportation in key industries and expanding diesel truck restriction zones contributed ...

Pittsburgh International Airport avoids power outages and reduces its energy costs by generating electricity on site using ...

It was not immediately clear what sparked that explosion or how it related to what was previously called a power substation explosion. Updated at 8:45 p.m. Caitlynn Jeffries, a public information ...