As people start to realize that natural gas prime movers can be an economical and reliable option to consider in an overall facility energy management strategy, the units are starting to make significant in-roads into traditional motor-driven markets. Natural gas engine-driven sales for industrial refrigeration, air compression, and chiller applications have more than doubled in the last three years.
Growth rates this high can be typical of new product introductions, but these products are not entirely new, and they are competing with very convenient and entrenched electric motor-driven technologies.