SEARCH Articles Figures Tables Conformation internal hydrogen bonding Hybridized hydrogen internal combustion Hybridized hydrogen internal combustion engine Hydrogen burning internal combustion engine Hydrogen economy, international Hydrogen internal combustion engine Hydrogen internal friction Hydrogen programs, international cooperation Hydrogen-fuelled Internal Combustion Engines Hydrogenation internal alkenes Internal combustion engines hydrogen effects Internal hydrogen bond, dynamics Internal hydrogen bonding Internal hydrogen bonds Internal hydrogen bridging Internal hydrogen embrittlement Internal hydrogen transfer processes International Association for Hydrogen Energy International Energy Agency Hydrogen International Hydrogenation Patents International Journal of Hydrogen Energy International Partnership for the Hydrogen Economy International hydrogen, analysis positioning Rotation, internal hydrogen