green energySPG's primary engineering facilities are located in Sunnyvale, California consisting of 10,000 sq. ft. of office, lab and manufacturing space. Two large "hi-bay" areas allow in-house development and testing of new fuel and oxidizer technologies for advanced hybrid and bi-propellant propulsion applications.

In addition, SPG conducts large-scale motor testing at the Aerotec facility in Butte, Montana.

ammonia fuel
aerotek facility
hybrid rockets