A group of scientists led by the US Department of Energy's National Renewable Energy Laboratory (NREL) has designed a monocrystalline mini solar panel that can convert laser light into electricity.

In an attempt to cut greenhouse emissions, Boston is embarking on a plan to convert all its electric lighting to efficient LED fixtures. When compared with things like transit and heat, lights may ...

And it will have taken about eight years in all to swap out all of those old-style streetlights across Mankato with high-efficiency LED lights. It was the summer of 2017 when a private electrician ...

GRAND RAPIDS, MI -- Grand Rapids leaders have approved a $9.46 million contract to convert all city street lights to LED lights. City officials say the move will generate about $350,000 annually in ...