Beneath the rolling hills of the Appalachian Basin, an ancient rock formation holds what some are calling America’s greatest untapped energy resource. The Marcellus Shale, formed over 400 million ...

The blimp has covered more than 2,500 events and taken more than 500,000 passengers for rides, according to Goodyear. Former ...

In practice, however, it can make things more confusing. As its name suggests, MPGe presents energy use in one form (electricity being the most common, but also hydrogen or natural gas ...