Households can reduce their energy bills and cut their contribution to greenhouse gas emissions by switching to more efficient lighting, but what’s the best strategy to maximize savings in cost, ...

Before agreeing to replace Newtown Township’s streetlights with LED fixtures, officials did the math and it added up: spend $720,000, but save $43,679 annually so that in 20 years there will be a ...

Detroit — The city's Public Lighting Authority has begun efforts to replace nearly one-third of its LED streetlights only a few years after they were installed because of defective equipment that's ...