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Natural gas, primarily composed of methane, exhibits a blue flame when it undergoes a combustion process under controlled conditions. Why?
Why does natural gas burn blue?
Flame indicators – Dominion Energy
Lawmakers, advocates ask Oregon to investigate NW Natural for misleading claims about natural gas - OPB
Environmental Impacts of Natural Gas
ProCom 20,000 BTU Natural Gas Ventless Blue Flame Heater with Base Feet, T-Stat Control 171245 - The Home Depot
Why should the gas flame burn blue? - Quora
media.gettyimages.com/id/1300772428/photo/close-up
Dwell Inspection Services - This is a close up of a gas water heater flame. Natural gas should burn blue when equipment is operating properly. When you see a lot of Orange
What Is the Color of Fire?
Why Does A Propane Flame Burn Blue?
Blue flames of natural gas burning from a gas stove with euro coins - Stock Image - Everypixel
Inishowen Fire & Safety
Why do gas stoves have blue flames and sometimes red flames? What makes them change color? - Quora