Electrolysis Research (Sessions 7–8):

• Hydrogen Production: Electrolytic Processes
• Hydrogen Production Fact Sheet
• New York Times Article, “Hydrogen Production Method Could Bolster Fuel Supplies”
• Hydrogen Electrolysis
• Florida Solar Energy Center: Hydrogen Production Basics
  
• Energy Independence Now Fact Sheet: Where Does Hydrogen Fuel Come From?
• Energy Unbound
  
• California Hydrogen Highway Network, Hydrogen Production Methods and Environmental Impacts Fact Sheet

Hydrogen Reforming Research Background Memo (Sessions 7–8):

• Natural Gas Reforming
• Renewable Liquid Fuels Reforming
• Florida Solar Energy Center: Hydrogen Production Basics
• Energy Independence Now Fact Sheet: Where Does Hydrogen Fuel Come From?
• Energy Unbound
  
• California Hydrogen Highway Network, Hydrogen Production Methods and Environmental Impacts Fact Sheet
• Hydrogen Production Fact Sheet

Gasification Research Background Memo (Sessions 7–8):

• Hydrogen Production Fact Sheet
• Coal Gasification
• Biomass Gasification
• Energy Independence Now Fact Sheet: Where Does Hydrogen Fuel Come From?
• Energy Unbound
  

Hydrogen Compression Research Background Memo (Sessions 11–12):

• Hydrogen Storage Basics
  
• Hydrogen Storage Current Technologies
• Hydrogen Storage: Gaseous and Liquid Hydrogen Storage
• Hydrogen Storage Fact Sheet

Liquid Hydrogen Research Background Memo (Sessions 11–12):

• Hydrogen Storage Basics
  
• Hydrogen Storage Fact Sheet
• Hydrogen Storage: Gaseous and Liquid Hydrogen Storage
• Hydrogen Storage Current Technologies

Metal Hydrides Research Background Memo (Sessions 11–12):

• Hydrogen Storage Basics
  
• Materials-based Hydrogen Storage
• Metal Hydrides
• Hydrogen Storage Fact Sheet

New Storage Technologies Research Background Memo (Sessions 11–12):

• What form fits?
  
• Hydrogen Storage Fact Sheet
• Chemical Hydrogen Storage
• Carbon-based Materials, High Surface Area Sorbents and New Materials and Concepts

Learn about the origins and extraction of fossil fuels, as well as the development of nuclear, biomass (e.g., ethanol), solar, and other energy sources in "Energy Challenges". Unit 10 of The Habitable Planet.

• Learner.org - Energy Challenges