Sulfur hexafluoride (SF6) or sulphur hexafluoride (British spelling) is an extremely potent and persistent greenhouse gas that is primarily utilized as an electrical insulator and arc suppressant. It ...

The expansion of electrical grid connections has increased use of SF6 It's the most powerful greenhouse gas known to humanity, and emissions have risen rapidly in recent years, the BBC has learned.

Sulfur hexafluoride gas, or SF6, which is used as an insulator in power transmission equipment, has a warming potential that’s 23,500 times that of carbon dioxide. It’s found in circuit ...