Useless as a guide to predicting the future, but quite useful for future Elon Musks, who looked at the inevitable end of cheap fossil fuels and saw a business o

Useless as a guide to predicting the future, but quite useful for future Elon Musks, who looked at the inevitable end of cheap fossil fuels and saw a business opportunity. If something is a must-solve problem, well, tautologically, that means it must be solved, and there will be willing buyers for solution venders.