Some domestic airlines have just issued a notice that starting from July 5, 2025 (including the date of ticket issuance), the fuel surcharge for passenger transportation on domestic routes will be increased by 10 yuan. Among them, the fuel surcharge for routes below 800 kilometers (inclusive) is 10 yuan, and each passenger on routes above 800 kilometers is charged a fuel surcharge of 20 yuan per leg. The last adjustment was from June 5, 2025 (ticket issue date). Adult passengers: each passenger on routes above 800 kilometers will be charged a fuel surcharge of 10 yuan, and each passenger on routes below 800 kilometers (inclusive) will be exempted from fuel surcharge.