Dual fuel HVAC systems consist of both an electric heat pump and a gas furnace. These hybrid systems alternate between these two heat sources, delivering comfort regardless of the season, temperature, ...

At its core, the AR-15 uses a direct impingement gas system to cycle rounds. This system redirects a portion of the gas ...

In the mid-2010s it became common to say that natural gas would be a bridge fuel to a zero-carbon future, in which solar, wind and other renewable technologies provide all of our energy without any ...

A dual-fuel conversion system can offer some of the fuel- and emissions-saving benefits of a natural gas engine without going out and buying a brand-new truck. Recent changes in Environmental ...

Lauren has six years of experience writing and editing home improvement content. She covered lifestyle, DIY, design and cleaning at The Spruce for five years and contributed home improvement pieces to ...

In her Cooperatives and Condominiums column, Eva Talel discusses New York City's 2019 gas line inspection requirements, the challenges posed by a building-wide gas shutdown, and managing what can be a ...