Like a virgin, the world’s first biofuel-powered plane flew for the very first time from London to Amsterdam on Sunday. (Well, it was a little bit biofueled: One of the plane’s four main tanks was filled 20 percent with coconut and babassu palm nut oil.) Virgin mogul Richard Branson celebrated his conquest, and deflected concerns about biofuels’ bad rep by pointing out that the nuts were sustainably harvested. However, he admitted that the experiment was unrepeatable on a large scale. Environmental activists were left unsatisfied, dismissing the flight as a publicity stunt.