> what pressure we can use to for our local airlines to get on the list?

When they resolve the energy problem regarding hydrogen. What government need to do now is continue to fund and pressure R&D into Green Air Travel. Personally I think we are at least two decades from scalable green air travel. Half of the time will be spent on researching and the other half will be spent proving to everyone it is as safe as ICE. The latter being the hardest part.

" 18 gigawatt-hours every day, equivalent to the full production of one typical nuclear plant of 900 MW. If, to ensure that hydrogen production actually reduces carbon emissions, the electricity is produced through solar power, 44 square kilometers of solar panels would be needed—a footprint representing three times the entire surface area of the Orly airport itself. " source:https://www.kearney.com/transportation-travel/article/-/insights/aviations-hydrogen-the-airport-challenge