World’s First Solar Fuels Reactor for Night Passes Test Updated On Wed, Mar 28th, 2018 by Saurenergy International solar thermal energy researchers have successfully tested CONTISOL, a solar reactor that runs on air, able to make any solar fuel like hydrogen and to run day or night – because it uses concentrated solar power (CSP) which can include thermal energy storage. The promise of solar fuels is that we could have zero […] Read more