3 ms·If it's so obvious, can you at least link to some backup data?by recampbell 16y agoIf it's so obvious, can you at least link to some backup data?davidj 16y agosure just google 40% efficient solar, and then replace 40% with 50% 60% 70% 80% and then actually try to buy one.Vivtek 16y agoSo you're saying that wild claims on the Internet in a given field mean that that entire field is purely scammerific? You must have a difficult life.