Ammonia, NH 3, is an alkaline gas and so turns damp red litmus paper blue. Ammonium ions (NH 4 +) – found in ammonium compounds such as ammonium chloride, ammonium nitrate and ammonium sulfate ...

WinGD reports it has confirmed key parameters for its X-DF-A ammonia-fueled engine design after full-load testing at its Engine Research and Innovation Centre in Winterthur in Switzerland.