A Greener Alternative to Hydrazine
SpaceRef, 19 April 2012
http://spaceref.com/event/28th-national-space-symposium/a-greener-alternative-to-hydrazine.html
Hydrazine, a mainstay fuel of the space program since the early days, now has a competitor that is easier to store and - when taking all costs into account - is the same price.
A subsidiary of the Swedish Space Corp., called ECAPS, has been developing a High Performance Green Propulsion (HPGP) fuel that is based on ammonium dinitrimide.
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