http://www.minecraftforum.net/topic...et-logic-is-here/page__st__1860#entry22201770
Emys said:The output of the biofuel generator in 1.4.7 is approximately nothing. Don't use it. In 1.5.1 it's 16 MJ/t for 10,000 ticks, so 40k MJ less per bucket than the combustion engine, but faster.