energy efficiency

Depending on where you live and how your home is heated, you may notice you quickly run out of hot water. You may have a rule in the house that …

In the past, we’ve written about why airplanes are painted white, why their doors are outlined with a different color, and the significance of the colors of a plane’s jet …

It’s simple math: the less money a hotel spends, the more profit it makes. There’s no better cost-cutting measure for hotel owners than one that can double as a “green …