Plug-in solar can cut electricity bills without a full rooftop installation, but you'll definitely want to read this first ...

Plugging in an electronic device that has three prongs into a two-prong outlet (like with an adapter) could present a serious ...

Plug Power stock has traded largely sideways in recent weeks, but remains firmly in bear-market territory after falling 47% from its May high. The shares were trading at $2.26, giving the company a ...

A risk-on tape is lifting high-beta fuel cell names on Thursday, but the group is splitting sharply on the way up. Bloom ...

Europe’s off-the-shelf solution to fight high energy costs is finally coming to the US.

Plug Power (PLUG-3.76%) — a popular hydrogen fuel stock — popped after announcing second-quarter earnings on Aug. 10. Investors and analysts alike were impressed by the company’s progress towards ...

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Legislatures in nearly a dozen states have voted to legalize use of the technology, which can help homeowners reduce their ...