If pure hydrogen is used as a fuel, fuel cells emit only heat and water as a byproduct ... used to power future home fuel cells. Methanol, a liquid fuel, is easily transportable, like gasoline ...

Green road maps rely heavily on increased use of sustainable aviation fuel (SAF) (with plans that it will account for 83 per ...

Hydrogen-oxygen PEM fuel cell. Hydrogen molecules dissociatively adsorb at the ... and is maximized when equilibrated with liquid water (water activity a w =1). Operation at a w =1 minimizes the ...

Turning hydrogen into liquid fuel could help slash planet ... One day, heavy transportation may shift to fuel cells that run ...