AIR FRANCE – KLM Air France-KLM hikes fares for sustainable flights:As from the beginning of 2022, French regulations will require the incorporation of an average of 1% Sustainable Aviation Fuel on flights departing from France. A “Sustainable Aviation Fuel” contribution will be included in the price of each ticket from 10 January, from €1 to €4 in the Economy cabin and from €1.50 to €12 in the Business cabin, depending on the distance.