While airplane tires might look like the ones on our cars, they're not filled with regular air, but nitrogen. There are ...

However, photographs of the equipment used in Hoffman’s execution, which was done with the use of nitrogen gas, appear to show cylinders of compressed gas produced by Airgas may have been used.

Liquid nitrogen (LN2) is typically supplied in bulk tanks, dewars, or vessels by gas companies. However, relying on ...

Louisiana is scheduled to use nitrogen gas in an execution for the first time tonight. Here's what to know ahead of the expected execution of Jessie Hoffman, Jr., age 46. Louisiana state law ...