Aircraft keep flying higher, creating extra airspace capacity and burning less fuel, saving 1 million tonnes of CO2 per year

https://www.aviation24.be/air-traffic-control/eurocontrol/aircraft-keep-flying-higher-creating-extra-airspace-capacity-and-burning-less-fuel-saving-1-million-tonnes-of-co2-per-year/?utm_source=rss&utm_medium=rss&utm_campaign=aircraft-keep-flying-higher-creating-extra-airspace-capacity-and-burning-less-fuel-saving-1-million-tonnes-of-co2-per-year