Geothermal heat pumps (GHPs) have been around for a long time, but recent technological advances have propelled these systems into a new sphere of efficiency and comfort, said Doug Dougherty, ...

What is a variable frequency drive? Heating, ventilation, and air conditioning systems' air supply used to be constant volume into a space. Now a variable air volume control is being used to provide ...

One of the key lessons taught in most driver’s education courses is to reduce the speed of a vehicle when road conditions are snowy, icy or made slick by rain. That same recommendation also applies ...

With the Transportation Budget this week being signed into law by Gov. Mike DeWine, the Ohio Department of Transportation now has the authority to establish variable speed limits to all highways by ...

The Indiana Department of Transportation is considering variable speed limits and on-ramp traffic signals to improve congestion and safety on I-465 on Indianapolis' southeast side. On Tuesday the ...