Alabama has carried out the nation’s 4th nitrogen gas execution, putting a man to death for the killing of a woman who was ...

A colorless, odorless gas, Nitrogen is a non-hydrocarbon inert gas used for a variety of functions in the drilling, workover and completion phases of oil and gas wells, as well as in pigging and ...

A federal judge on Friday refused to stop what would be the fourth nitrogen gas execution in the U.S., saying the inmate had not proven his claims that the new method is unconstitutionally cruel ...