According to CoinMeta, Wu said that the Cardano Foundation announced a collaboration with the Brazilian state-owned energy company Petrobras and the Catholic University of Rio de Janeiro to launch two applications based on the Cardano public blockchain. These applications are designed to track the environmental benefits of sustainable aviation fuel (SAF) as well as the production, transportation, and usage data of renewable diesel (Diesel R), in order to enhance the verifiability, traceability, and audibility of fuel lifecycle information.