Expanding markets for clean and efficient technologies will increase energy security and help reduce greenhouse gas emissions. But many promising technologies are still too expensive or face other obstacles to commercial deployment. Governments need to consider deployment policies to create...

Hydrogen and fuel cells are vital technologies to ensure a secure and CO2-free energy future. This book draws primarily upon information contributed by IEA governments. In virtually all the IEA countries, important R&D and policy efforts on hydrogen and fuel cells are in place and expanding....