Several ingredient prices backed off from 2021 but remained historically high.
Prices of food ingredients mixed in 2022
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Can hydrogen-fuelled engines be the next big leap in aviation?
Can hydrogen-fuelled engines be the next big leap in aviation?
In the test on a hydrogen-driven aero engine, Rolls-Royce and easyJet appear to have overcome a crucial challenge that is often mentioned when hydrogen engines are discussed -- although hydrogen is meant to be a green fuel, it is produced using electricity, and generating that electricity can involve burning of fossil fuels.
