Nov 10 (Reuters) - French-Dutch airline AirFrance-KLM (AIRF.PA) has made a $4.7 million investment in DG Fuels' Sustainable Aviation Fuel (SAF) production plant in the U.S. state of Louisiana, a step towards its 10% SAF incorportation target for 2030. "Air France-KLM acquired an option to purchase up to 25 million gallons / 75,000 tons of SAF annually over a multi-year period beginning in 2029," the group said in a press release on Friday. Sustainable aviation fuels, which use waste such as cooking oils and have either net-zero CO2 emissions or lower CO2 emissions than kerosene, a fossil fuel, are seen as an option to curb air travel's carbon footprint. The European Union has adopted rules requiring flights departing from EU airports to carry a progressively increasing amount of SAF, starting from 2% of total fuel in 2025. Reporting by Stéphanie Hamel; Editing by Kirsten DonovanOur Standards: The Thomson Reuters Trust Principles.

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Persons: Stéphanie Hamel, Kirsten Donovan Organizations: AirFrance, KLM, DG Fuels, Aviation Fuel, SAF, France, European, Thomson Locations: U.S ., Louisiana