[Aachen]

From what I heard, they also make sense without subsidies (about the same as solar panels which everyone is throwing onto their roofs now, except an efficient unit doesn't cost millions to get started), but I suppose this guy's logic for "worth it" includes outperforming sticking his money into an index fund

Also, what surprised me to learn is how much money goes into subsidies for fossil fuel companies. I really didn't think they needed that