Liberty Acquires Renewable Natural Gas Platform; Partners On Hydrogen Hub Project Updated On Wed, Aug 17th, 2022 by Saurenergy US power utility Liberty has announced the completion of its acquisition of Sandhill Advanced Biofuels- a leading renewable energy company that looks to upgrade biogas to renewable natural gas. Sandhill Advanced Biofuels boasts of a portfolio of four projects in the state of Wisconsin, USA. Liberty is a wholly-owned subsidiary of Algonquin Power & Utilities […] Read more