Imagine two homes on the same street, with the same-sized roofs, both fitted with solar panels. Yet one home consistently generates more electricity than the other. The difference comes down to solar ...

A major factor in comparing potential new car options today is assessing overall efficiency, known as a vehicle's average miles per gallon, or MPG rating. For vehicles that utilize a plug-in hybrid ...

If you’re buying or selling a property, or simply want to improve the energy efficiency of your home, an Energy Performance Certificate (EPC) will be important. Here’s everything you need to know ...

The concept of the “high-efficiency furnace” in popular consciousness dates back to the 1980s. That’s when the National Appliance Energy Conservation Act of 1987 required all new furnaces be 78 ...

Home energy systems are fantastic add-ons to your house. In the long run, they can help you save on utility bills, but they're not perfect. That's because no system is 100% efficient. The reality of ...

Energy-efficient windows can improve comfort and reduce heat loss. Learn how they work, what features matter and when ...

You can update your existing windows to make them more energy efficient or replace them with Energy Star certified options. Some or all of the mortgage lenders featured on our site are advertising ...

How can energy-efficient light bulbs, bricks, and buildings cut costs and improve energy security? In this episode of The Development Podcast, we discover that energy efficiency doesn’t just save ...

Two-thirds of the world’s energy is wasted. Energy efficiency opens up immense opportunities for growth, energy security, and the environment. Energy efficiency is a key element of the World Bank ...

You have until the end of the year to take advantage of federal tax credits for clean-energy and energy-efficiency upgrades to your home, whether that’s by ...