SB5919 – Authorizing public utility districts to sell biogenic carbon dioxide and other coproducts of biogas processing at wholesale.
Prime Sponsor – Senator King (R; 14th District; South Central Washington)
Current status – Had a hearing in the Senate Committee on Environment, Energy & Technology January 16th. Replaced by a substitute also allowing sales to end-use customers and including CO2 byproducts of biological processes in industrial or manufacturing facilities as “biogenic CO2”. Passed out of committee January 26th, and referred to Rules.
Next step would be – Action by the Rules Committee.
Legislative tracking page for the bill.
HB2069 is a companion bill in the House.

Summary –
The bill would authorize public utility districts to wholesale biogenic carbon dioxide and other coproducts of processing biogas from landfills, anaerobic digesters, and wastewater treatment facilities. (Capturing CO2 from biogas can result in a negative CO2 emission, depending on the situation and how you do the calculations.)