Wizz Air, the European low-cost airline, has signed a memorandum of understanding with Spanish energy company Cepsa to buy sustainable aviation fuel (SAF) beginning in 2025. Cepsa will produce the SAF from organic waste, such as used cooking oils or agricultural waste, among other materials. The goal is to reduce carbon emissions per passenger/km by 25% by 2030 and achieve net-zero by 2050. The partnership follows a pilot project at Seville Airport in November 2022, when Wizz Air was among several airlines that operated around 220 flights using SAF produced by Cepsa at its La Rábida Energy Park in Huelva. Cepsa aims to become a leading biofuel producer in Spain and Portugal by 2030 with an annual production capacity of 800,000 tonnes of SAF.