“And then we move on to this machine which is the Flashpoint tester.” Weiming Liu (Alex) is giving me a guided tour of the newly opened sustainable aviation fuel (SAF) testing laboratory he manages in Dublin.  The pristine machines have names like GCMS and ion chromatography unit, and don’t typically reveal their function to amateur eyes. “This one will tell you at which temperature your fuel will be ignited,” Liu explains, an essential indicator for safely storing and transporting fuel, specifically the feedstock fuels this pre-screening centre is designed to help producers roll out, at scale, to make air travel…