At a time when fleets are looking at all-electric and fuel cell as their only zero-emission options, hydrogen internal combustion may have a shot at joining that elite club – though, getting past ...

Transitions between different electronic energy levels in elements occur at unique energies and intensities, giving each element a distinctive emission spectrum. When the energy of an incident photon ...

A recent review in Energy & Environmental Science highlights geologic hydrogen as a promising alternative to conventional hydrogen production, offering a potential path to meet global decarbonization ...