Theymightnotbetakingoffwith a fulltankeitherbeforetakeofftheflightplanarecalculatestheamountoffuelneededtocompletethetripsothatenoughfuelgetsburnedoffOverthecourseoftheflightontheplains, weightcomesdownandthenit's safetoland.
S AgencyforToxicSubstancesandDiseaseRegistrylistedmixedresultsinregardstothebiodegradeabilityofjetfuelonthesamestudywentontosayitcouldbetransportedbywindandbecome a componentofsmog.