no other viable optionsWhat do you mean by forced? Like signing contracts or government regulated forced, or no better viable option is available?
I don’t know what kerosene is, but I’d say they’ll definitely be sitting with a combustion type engine to fly planes. Where and how the fuel is produced might change.no other viable options
Jet Fuel is KeroseneI don’t know what kerosene is, but I’d say they’ll definitely be sitting with a combustion type engine to fly planes. Where and how the fuel is produced might change.