3 ms·

Here in Germany with have quite a few hydrogen powered buses. Examples: (German) https://www.ksta.de/region/rhein-erft/huerth/ab-2019-neue-wasserstoffbusse-fu

Here in Germany with have quite a few hydrogen powered buses. Examples: (German) https://www.ksta.de/region/rhein-erft/huerth/ab-2019-neue-wasserstoffbusse-fuer-huerth-geplant-29511032 https://www.ksta.de/region/rhein-erft/huerth/ab-2019-neue-wa... But also elsewhere in Europe (here: South Tyrol, Italy): http://www.greenmobility.bz.it/en/projekte/die-bozner-wasserstoffbusse/die-bozner-wasserstoffbusse/ http://www.greenmobility.bz.it/en/projekte/die-bozner-wasser... Nothing but water vapor coming out of them.

coryfklein 9y ago
> Water vapor is the most potent greenhouse gas owing to the presence of the hydroxyl bond which strongly absorbs in the infra-red region of the light spectrum. [1] Though I can't tell whether water vapor created at the surface has the same effect as water vapor at altitude. [1] https://en.wikipedia.org/wiki/Water_vapor https://en.wikipedia.org/wiki/Water_vapor