Submitted by galileofan t3_1249o2a in Futurology
RedditorsArGrb t1_jdzlqn9 wrote
Reply to comment by No_Opposite_4334 in German manufacturer achieves 80% overall efficiency with new PVT solar module by galileofan
small temperature gradient means low efficiency in a heat engine. See: https://en.wikipedia.org/wiki/Carnot_cycle#The_Carnot_cycle
A "35% efficient steam [system]" is not a physical reality here.
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