In 2012, Honolulu added a third boiler to its trash plant; the garbage now supplies 7% of Oahu's electricity; here's how it works

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Honolulu reportedly expanded its H-POWER waste-to-energy plant in October 2012 by adding a third boiler. The cost of the project was around $302 million. The boiler was a big boost as the plant's ability to process rubbish and generate electricity increased. With it, the capacity to burn around 900…