Business Green: It’s not easy being green. And it’s not always easy to take a stand on something you believe in, particularly if you’ve got elections to consider, and especially if it’s a controversial subject like biofuel. Thanks to the concerted efforts of green groups such as Friends of the Earth, biofuel has become a byword for deforestation, carbon emissions, displaced orangutans and an impending world food crisis. Subsequently, world leaders have crumbled under pressure and cut back support for …