Portugal-based outdoor lighting technology specialist Omniflow has launched a flexible streetlight system that integrates wind-solar power generation. In addition to providing lighting, the system, ...

Wind energy infrastructure doesn’t produce power if the air isn’t moving, and solar doesn’t generate power if the sun’s not out. But that doesn’t mean that either source of energy is "worthless" ...

"Wind and solar energy infrastructure is essentially worthless when it is dark outside, and when the wind is not blowing," the U.S. Energy Department posted on social media. The U.S. Energy Department ...