Renewable natural gas is a growing industry for fuel,electricity and heat, but advocates says its a largely untapped market in the USNo matter how you spin it, or the commerce of raw sewage isn’t sexy. But in Colorado,the city of Grand Junction is making huge strides to reinvent their wastewater industry – and the result is like finding a diamond in the sludge.[br]The Persigo Wastewater Treatment Plant is processing 8m gallons of Grand Junction’s human waste into renewable natural gas (RNG), also known as biomethane. The RNG is then used to fuel approximately 40 fleet vehicles, and including garbage trucks,street sweepers, dump trucks and transit buses.
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Source: theguardian.com