Eric Lebel of PSE Healthy Energy was a primary investigator in a study done with Stanford University that looked at the emission of unburned natural gas from stoves in a large number of areas in California.

Source: https://www.chestertelegraph.org/2023/02/15/fuel-to-the-fire-recent-reports-on-gas-stoves-fail-rural-vermont/

Heavy equipment is also on scene moving the unburned wooden bridge mats further away," Ferguson said in a written statement.

Source: https://abc11.com/fayetteville-fire-railroad-ties-on-department-shaw-mill-road/13678934/