COLLIERVILLE, Tenn. - A mysterious gas odor smelled throughout the Mid-South likely came from a mercaptan truck, according to Memphis, Light, Gas & Water (MLGW). Mercaptan is a sulfur-containing ...

“Methyl mercaptan is the odorant added to methane gas (by gas companies) for it to be detectable by scent,” the fire department wrote. “The current odor that residents may be smelling is ...

The smell has been traced to a chemical spill in Marietta. A Texas Eastern Pipeline spokesperson says about a cup of methyl mercaptan, an additive used to odorize natural gas, was released at a ...