Toyota admits 'Elon Musk is right' about fuel cell, but moves forward with hydrogen anyway - Electrek
BU-210: How does the Fuel Cell Work? - Battery University
Hydrogen Fuel Cell vs. Electric
What's more efficient? Hydrogen or battery powered?
What is a Fuel Cell? Quite simply, a fuel cell is a device that converts chemical energy into electrical energy, water, and heat through electrochemical. - ppt video online download
Battery Electric and Fuel Cell Electric: Two Complementary Electric Bus Options - Center for Transportation and the Environment