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image: engine development cells

Compressed hydrogen gas is stored for use in engine development cells


image: storage tank

Liquid anhydrous ammonia is stored in tanks at pressures similar to those of propane.

Researchers continue to strive to reduce the carbon footprint of light- and heavy-duty vehicles. Low carbon and low price, natural gas is the hot topic in the US. With a H/C ratio of 4, methane is a great choice. However, there are two zero-carbon fuels in the sidelines awaiting their turn in the spotlight. While most automotive engineers are well aware of hydrogen (H2) as a renewable fuel, ammonia (NH3) is also a readily available renewable zero-carbon fuel.

SwRI established a fuel facility area adjacent to our primary engine research laboratory that contains both compressed hydrogen gas and pressurized liquid ammonia tanks. Both fuels can be supplied is sufficient quantities to perform multi-cylinder engine development.

SwRI engineers have worked on a variety of hydrogen and ammonia fueled engines for both government and commercial clients. We welcome inquiries to perform similar engine development for others.

Related Terminology

zero carbon fuels  •  hydrogen  •  ammonia  •  H2  •  NH3  •  low carbon  •  renewable fuel

Benefiting government, industry and the public through innovative science and technology
Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 10 technical divisions.
05/14/14