CNN's June 20, 2022 Boeing unveils new 777 'ecoDemonstrator' test jet includes the following sentence near the end:
Many airlines have already vowed to offer carbon-neutral flights and explore alternative fuels to reduce pollution.
Question: For these airlines, how do they say they plan to actually make some flights demonstrably carbon-neutral?
Maybe I'm presumptuous, but implicit in my question is that amongst the PR for these future carbon-neutral flights there will be some level of transparency and accounting, but right now I'm just curious how they say explain that carbon-neutral flights actually exist, presumably without shifting the carbon impact to other flights.
Potentially related: