Elon Musk famously calls them "fool cells": http://www.bloomberg.com/news/articles/2014-06-25/toyota-to-offer-69-000-car-as-musk-pans-fool-cells- http://www.bl

Elon Musk famously calls them "fool cells": http://www.bloomberg.com/news/articles/2014-06-25/toyota-to-offer-69-000-car-as-musk-pans-fool-cells- http://www.bloomberg.com/news/articles/2014-06-25/toyota-to-... “As people probably know, I’m not the biggest fan of fuel cells -- I usually call them ‘‘fool cells,’” Musk said this month at Palo Alto, California-based Tesla’s annual meeting. In a speech to employees and enthusiasts at a service center in Germany last year, he called fuel cells “a load of rubbish.”