Repsol says the plant, which transforms used cooking oil into so-called sustainable aviation fuel (SAF), has attracted plenty of customers. But it is concerned Europe's investment environment will complicate the industry's efforts to take off. "Europe needs to step up and throw its weight behind a domestic SAF industry to ensure it does not fall behind." That's a bit under 1% of global aviation fuel demand," said Jonathan Wood, Neste's vice-president of renewable aviation. "America's programme of both federal and state incentives for SAF production is the mark of global leadership on the net-zero transition," IAG told Reuters.

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