There's a push for corporations to lower their carbon footprints, and hydrogen is a clean fuel source because it only produces water as a byproduct. Plug Power (NASDAQ: PLUG) has spent years billing itself as the leading hydrogen fueling company.

But today, the stock hovers near its 52-week lows. The company's new large hydrogen facility is ramping up, a considerable development. Should investors buy Plug Power for its long-term potential with hydrogen fuel cells?

Here is what you need to know.

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Source Fool.com