
Figure 1: This diagram shows a selection of technologies for hydrogen sulfide removal from biogas, and the guidelines for which hydrogen sulfide concentrations and biogas flows may be cost effective. / SOURCE: AZURA ASSOCIATES
October 30, 2023
BY Peter Quosai and Dave Ellis
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For OEMs and cement manufacturers, the decision to keep a functioning component in service can be more complicated than simply asking whether it still works.
Electricity is the defining operational cost of a biogas facility, yet electric motors rarely receive the same scrutiny as the compressors, digesters and upgrading systems they power.
Clean Energy Fuels Corp. announced that it has completed the sale of $30.7 million in federal tax credits generated by seven of its RNG production facilities. The sale marks Clean Energy's fourth transaction monetizing credits from its RNG projects.
Surging diesel prices are squeezing biomass and pellet producers, putting new pressure on feedstock sourcing, transportation and already-narrow operating margins.
Vietnam Waste Solutions, the wholly owned Vietnamese subsidiary of Oakland-based California Waste Solutions, is converting the country's first U.S. Subtitle D sanitary landfill into a larger clean-power and resource-recovery complex.