What is that scent that is added to the otherwise odorless natural gas?
by 
wickedwillie
ANSWERS: 1
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Because natural gas is colorless, odorless and tasteless, mercaptan (a chemical that has a sulfur like odor) is added before distribution, to give it a distinct unpleasant odor (smells like rotten eggs). This serves as a safety device by allowing it to be detected in the atmosphere, in cases where leaks occur. (source http://www.eia.doe.gov/kids/energyfacts/sources/non-renewable/naturalgas.html)
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