Biofuel innovators also are developing new methods in china .
中国的生物燃料创新者也在研发新方法。
But the most promising next-generation biofuel comes from algae .
但前景最为看好的新一代生物燃料来自于藻类。
Biofuel can be theoretically produced from any ( biological ) carbon source .
从理论上说，生物能源可以由任何（有机）碳源加工而成。
European biofuels developers are buying large tracts of what they call " marginal land " in africa with the aim of cultivating biofuel crops , particularly the woody bush known as jatropha .
