Antoine Pietri
seirl.bsky.social
Antoine Pietri
@seirl.bsky.social
Software engineer, Environmental economics nerd
I built a calculator to visualize the physical constraints of decarbonizing aviation ✈️: seirl.github.io/safland/
We know batteries won't work. We need liquid fuel (SAFs) for long-haul flights. But how much land does growing that fuel actually take?
February 5, 2026 at 9:40 PM