The Virgin Atlantic Boeing 747 flight was part of a joint initiative with planemaker Boeing and engine manufacturer GE Aviation to develop a "sustainable aircraft fuel." No passengers were onboard.

Virgin Atlantic, though younger than many of its ... Perhaps most famously, the airline used to fly 13 examples of the Boeing 747-400, and before that, 11 747-200Bs and 1 747-100.

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Boeing and Virgin Atlantic yesterday announced a deal for ... is scheduled for next year using one of Virgin's Boeing 747-400s and also includes engine supplier General Electric.

Going forward, Virgin Atlantic and Boeing will test biofuel made from algae that is farmed on non-productive land in ponds of seawater. Actual yields of algae are unclear. Assuming 10,000 gallons ...