Two-pronged devices are commonly used for smaller gadgets like phone chargers while larger appliances typically come with a ...

Plug-in hybrid vehicles are rarely charged, according to a new study. Why are automakers still producing them?

More than half of U.S. states, including Hawaiʻi, are considering new laws around balcony solar. HPR’s Savannah Harriman-Pote reports on why this technology is gaining traction.

For many homeowners, installing rooftop solar panels seems like a smart idea to reduce electricity bills, but the upfront cost and installation complexity ...

As EU mulls new regulations, a real-world study of a million PHEVs shows even when charged up, they still use 3x as much gas ...