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 ...

We Did the Math: How Much an Energy-Efficient Fridge Saves vs. a 10-Year-Old Model ...

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

A new heat-to-energy converter has reached a record efficiency of 44% – the average steam turbine manages about 35%, for comparison. This thermophotovoltaic cell is a major step on the way to ...

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 ...

Austrian winters are cold, but in one old Vienna apartment block, most residents never bother to switch on the heating. Energy consumption in the solid, 19 th century building has fallen by 90% since ...