Despite this untapped potential, developed countries have erected all sorts of barriers to biofuels from developing countries while spending billions of euros and dollars in subsidies for inefficient producers.
尽管有这种尚未发掘的潜力，但发达国家对来自发展中国家的生物燃料设置了种种障碍，却又花费数十亿欧元和美元来补贴低效率的生产者。