Energy efficiency in physics is not measured the way most people think about it. Instead of asking how much heat a process produces per unit of fuel, physicists often compare how much of a substance’s ...

Energy efficiency is a transformative, low-cost solution that can fast-track access to affordable and secure energy and boost economic growth. Amid soaring power demand, driven in part by air ...

The energy bill that passed the Senate on June 21 represents an important step toward a new energy direction for this country. The bill includes provisions that will go a long way toward making ...

Zurich/Switzerland, Brussels/Belgium – WWF calls on European cities and big energy consumers to follow Zurich’s example in promoting energy efficiency. Zurich/Switzerland, Brussels/Belgium – WWF calls ...

One of the biggest reasons to buy a new refrigerator is better energy efficiency compared with an older model. But how much of a difference does energy efficiency make in the long-term costs of a ...

Renewable energy and efficiency upgrades are saving Kentucky schools millions of dollars amid rising utility rates and ...

Marco Fellous-Asiani does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...