Reset Energy is getting the chance to expand its nitrogen rejection capabilities ... to begin next year. The new unit will not contain a black box and will be designed and built to the end-user ...

The gas mask used in the nitrogen execution and the gurney the people are strapped to. Louisiana state courts Death by nitrogen gas has only been used in Alabama previously. Witnesses to the state ...

On Tuesday the state did just that, carrying out its first execution since 2010. It used nitrogen gas, a method that was first used by Alabama last year and that was legalized by Louisiana ...