C1015 Little Lulu can walk now(2)

Sometimes the electric light went off, and a moment later you could smell the rotten eggs; sulfur dioxide in the liquefied gas, toxic, but little to determine whether or not the colorless, tasteless gas leaked.

Natural gas is mainly made up of methane, which is colorless, odorless, odorless, and non-toxic, but it can blow up and start a fire