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Renewable natural gas produced in California by CR&R flows into SoCalGas pipelines for first time

Southern California Gas Co. (SoCalGas) and waste management company CR&R Environmental (CR&R) announced they are now injecting renewable natural gas produced at CR&R’s anaerobic digestion facility in Perris, Calif., into SoCalGas pipelines. This is the first renewable natural gas produced within California to be introduced into SoCalGas’ pipeline system.

Renewable natural gas is a carbon-negative fuel produced from waste that can be used in trucks and buses, to generate electricity, fuel heating systems in home and businesses, and for cooking. The renewable natural gas from CR&R’s digestion facility is used to fuel about 400 of CR&R’s waste hauling trucks.

CR&R is producing renewable natural gas using organic waste collected in Southern California cities’ green waste bins and processed in an anaerobic digester believed to be the largest and most automated in the world. This biogas is upgraded to the same standards and specifications of traditionally-sourced natural gas and then put into a new 1.4-mile section of SoCalGas pipeline.

As California policymakers have sought to expand the production and use of renewable energy, SoCalGas has been working to increase the amount of renewable natural gas produced in California and delivered to its customers. Renewable natural gas can be produced from waste at landfills, wastewater treatment plants, food processing and dairies.

Renewable natural gas from other states has already begun to clean the air and reduce greenhouse gas emissions in California’s transportation sector, which accounts for more than 80% of smog forming emissions and about 40% of greenhouse gas emissions in the state. The latest generation of natural gas engines for heavy duty vehicles can reduce smog-forming emissions by more than 90%. When fueled with renewable natural gas, they can reduce greenhouse gas emissions by 80% or more. Already, more than 60% of natural gas trucks in California are fueled by renewable gas delivered by SoCalGas pipelines.

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