Wind and solar farms are generating clean power at lower and lower prices, but not always when it is needed. Fuel cells, which generate electricity by combining hydrogen and oxygen, could change that equation …. Jack Brouwer, a professor of mechanical and aerospace engineering and director of the National Fuel Cell Research Center at University of California-Irvine, made the claim to a group of fuel cell manufacturers gathered … for the 18th annual Ohio Fuel Cell Symposium.