The world’s first commercial aviation test flight of a sustainable “second-generation” biofuel will be limited to a 50% blend to prevent engine leakage.

The biofuel blend, named J50, will be used to power one Rolls-Royce RB211 engine on an Air New Zealand Boeing 747-400 for a 2h test flight scheduled to take off from Auckland airport on 3 December.

© flcriminal/AirSpace

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