id	keyword
cet-14429	saf
cet-14429	atj
cet-14429	production
cet-14429	gft
cet-14429	aviation
cet-14429	fuel
cet-14429	costs
cet-14429	colombia
cet-14429	usd
cet-14429	price
cet-14429	technology
cet-14429	lca
cet-14429	material