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Second act for CBM

Company brings new energy technology to Powder River Basin

BUFFALO — If its methanogenesis technology is successful, a new company could bring a second life to some of the Powder River Basin’s tens of thousands of coalbed methane wells.

The Denver-based clean energy and climate tech company Cowboy Clean Fuels was recently awarded $7.8 million in state funding to pursue commercial scale development of a technology that will produce so-called renewable natural gas and capture carbon emissions using existing coalbed methane infrastructure, though not everyone is as optimistic as the company and its funding source.

Cowboy Clean Fuels has at least $15.6 mi...