Now, a plane that runs on biofuel ; It is a standard, run-of-the-mill Virgin Atlantic Boeing 747-400 with unmodified General Electric CF6 engines that will run on a 20 per cent blend of biofuel.

What is it? It is a standard, run-of-the-mill Virgin Atlantic Boeing 747-400 with unmodified General Electric CF6 engines that will run on a 20 per cent blend of biofuel.

How far can it go? This jet will only make the 400 km run from London Heathrow to Amsterdam's Schipol.

When did it make the flight? By the time you read this, the jet would have emitted its cleaner gases ...

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