The most expensive part of its plan involves ... The Focus on Energy program is a baseline for utilizing clean, efficient energy resources. However, in defense of its billion-dollar proposal ...

CNN: What are the most promising energy-saving technologies ... improving faster than they're applied, so efficiency is an ever larger and cheaper resource. The big surprise is that integrative ...

When it comes to energy efficiency, the people who design buildings and promote conservation have all sorts of insights and advice. But how do they apply that advice to their own homes?

of the electrical energy supplied is converted to light energy. The light bulb is not very efficient since most of the energy supplied is not converted to useful light energy. Most of the energy ...

Solar energy is the most abundant of all energy resources and can even be harnessed in cloudy weather. The rate at which solar energy is intercepted by the Earth is about 10,000 times greater than ...

How often should I replace my hot tub cover for maximum energy efficiency? Most hot tub manufacturers and dealers say hot tub covers have a life span of about five years. If your hot tub cover ...

(There are also electric and hot-air-based systems, but the water-based hydronic systems are most cost-effective and popular, according to the Energy Department.) These systems are more efficient ...

That is why Hydro-Québec is deploying an ambitious energy efficiency pathway with $10 billion ... and bills by offering financial support, most notably for the purchase of smart devices and ...