Pro cleaners sing its praises—and suggest serious caution. So what is ammonia used for around the house? Cleaning products ...

The same principle has, however, been more cheaply applied in the use of volatile hydrocarbons as a substitute for the liquefied ammonia. The details of these different machines are, of course ...

Ammonia, used in fertilizer, is essential to our lives. Addis Energy is trying to make the chemical underground. Forget massive steel tanks—some scientists want to make chemicals with the help ...