Home Air France-KLM, champion in the use of sustainable fuels Flights of less than 5,000 km – and no longer just intra-European ones – should be subject to the Emissions Trading System (ETS). (Photo: Luc Citrinot)

Flights under 5,000 km – and no longer just intra-European ones – should be subject to the emissions trading system (ETS). (Photo: Luc Citrinot)

Flights of less than 5,000 km – and no longer just intra-European – should be subject to the emissions trading system ETS. (Photo: Luc Citrinot)