Solar cells manufactured by China Sunergy have reached a conversion efficiency of 20.26% in the pilot R&D line and received certification from the Fraunhofer Institute for Solar Energy Systems. These mono-crystalline solar cells achieve this performance using normal wafers.
The company plans to start commercial mass production by the end of 2013.
Government must do more to tackle heat pump and electric vehicle barriers, Which? says
Which? is calling on the government to provide more support for greener home heating and cars, as new research shows cost and other barriers are putting people off making the switch.
New study reveals job stress affects 70% of construction workers
A groundbreaking study conducted by researchers from the University of Cambridge has revealed that at least 70% of people in the construction industry report feeling stressed at work, and this not only has a negative impact on job performance but also personal life. The findings highlight the urgent need for effective strategies to combat workplace stress.
