The Future of Renewable Energy

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Source: Entrepreneur.com

IST Energy
The company: IST Energy
The innovation: The Green Energy Machine
What it does: The short answer: It eats trash and craps money. The longer, relatively more scientific version: It can take up to three tons of trash a day and mash it down into pellets that are converted into gas electricity. It's ideal for large facilities like schools and hospitals, where, in addition to providing cheaper electricity, it can reduce waste disposal costs by 95 percent.
How it makes money: The $850,000 price tag doesn't hurt, nor does having large, well-backed customers. But it also saves those customers a ton of money, and pays for itself within three to four years.
Where it's going: GEM can be compartmentalized into two halves--the masher and the gasser--so it can be used by cities to collect trash in one place and create electricity in another.

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