close window

Questions for Discussion: Global Warming: The Hydrogen Car

  • Approximately what fraction of carbon-dioxide emissions in the United States comes from automobiles?
  • How is a hydrogen fuel cell different from an internal combustion engine? What is its waste product?
  • What are the pros and cons of a hydrogen car?
  • Do you think the hydrogen car is the answer to global warming?
  • What are some possible non-carbon sources of hydrogen?