Distillation tower

Used to transform crude oil, oil sands and reeds into Diesel, which can then be used to power diesel trains. The blocks works with BuildCraft pipes, so items can be pumped out of it and a hopper can be used to put items in from the top. Plastic is created as a side product from distillation. Chance depends on input material.

Recipe:
As of v4.0.0, can be found in the Traincraft Guide:

How to use
Click on it, fuel it, put petroleum/oil sand/ sugar cane in the top slot and voila, you get diesel