From Rise: The Vieneo Province - The Space Simulator MMO from Unistellar Industries, LLC
Iagreous is the fuel of the Rise universe. Its extraction and refinement has allowed mankind's exploration of space outside of the Terran system.
Iagreous-based propulsion is a mass ejection of heavy electron and high density electron plasma.
Iagreous-based electrical energy is produced using magnetohydrodynamic generation