Hydrogen Fuel Cells What is the primary byproduct of hydrogen fuel cells? Carbon dioxide Nitrogen oxide Water vapor Sulfur dioxide None Which element is used as the fuel in hydrogen fuel cells? Helium Hydrogen Oxygen Nitrogen None What is the main advantage of hydrogen fuel cell vehicles over traditional gasoline cars? Lower cost Longer range Faster acceleration Zero emissions None Which vehicle manufacturer was the first to introduce a mass-produced hydrogen fuel cell car? Toyota Tesla Honda BMW None What is the efficiency range of hydrogen fuel cells in converting chemical energy to electricity? 10-20% 30-40% 50-60% 70-80% None Time's up Most Popular Most Popular
