A new record of 20.6% held by KRICT/UniTest is displayed in the right section of the chart, ranking first in the large-area cell (200 cm²) category for perovskite solar cells. The sources of ...

Credit: Mashable As these charts show, coal has hardly disappeared ... Credit: Mashable We're becoming more efficient in using energy. Global energy markets saw weak growth for the third ...

CR members can see these costs in the Ratings & Specs section of our ratings charts, and sort by energy efficiency. Below, members can also see reviews of the best energy-efficient refrigerators ...

The Trump administration plans to eliminate the Energy Star program, a 33-year-old energy efficiency certification ... where the agency showed a chart marking the program for closure as part ...

Americans may soon have less financial incentive to improve their homes’ energy efficiency. Thursday morning, the House of Representatives passed a policy package that, among other things ...

Faster progress on energy efficiency is crucial if we’re going to meet the global 2030 goal, but a year after countries pledged at COP28 to double energy efficiency improvements by 2030, the ...

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?