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Renewable/Compressed Natural Gas (R/CNG) for Transportation System Resilience
Renewable/Compressed Natural Gas (R/CNG) for Transportation System Resilience

Portland State University’s Center for Public Service conducted a study that analyzed the resilience
benefits of renewable/compressed natural gas (R/CNG) for transportation system resilience that the
Northwest Natural (NWN) energy system supports. One key driver for the study was the recognized
vulnerabilities of liquid fuel supplies at the Critical Energy Infrastructure (CEI) Hub in Northeast
Portland that was highlighted in the Oregon Resilience Plan (2013) as updated in 2018. Another key
driver is the significant probability of an extended disruption to the electrical grid from a major
earthquake. Current transportation electrification initiatives risk compounding regional
vulnerabilities from vehicle fuel shortages during recovery from a disaster. These three
considerations reveal the need for this analysis of R/CNG for energy resilience.