Question 1
Which liquid fuel could be used to directly power a fuel cell?
◦ Methanol
◦ Ethanol
◦ Biodiesel
◦ Unleaded gasoline
Question 2
Which of the following describes why fuel cell technology is NOT in mass production?
◦ High cost
◦ Lack of durability
◦ Insufficient power density
◦ All of these are correct.