Paying bills usually stinks, but gas bills from a utility in Washington State will include something really smelly this month: the stench of rotten eggs. As part of a safety campaign, Puget Sound Energy is including a scratch-and-sniff pamphlet with its billing statements to remind customers of what leaking gas smells like. Natural gas is odorless, but providers add a chemical to the gas that has a distinctive, sulfur-like aroma similar to rotten eggs so leaks can be detected.
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