The upgrade has been planned for a decade, but initially delayed on cost grounds, and will now expand the fleet in terms of both capability and numbers.
AirBaltic has shifted its business model in response to Russia's invasion of Ukraine, while also dealing with delays in maintaining engines for its A220s.
Ten major airlines are backing a not-for-profit group deploying funds to accelerate research and development projects aimed at cutting carbon emissions.
Pratt & Whitney, along with sister company Collins, prepare for flight testing of the first hybrid-electric propulsion system on a Dash 8 aircraft in 2024.