You have come to the right place to support your new addiction
I would encourage you to send a good bit of time reading through these forums. There is a wealth of knowledge here.
I would also encourage you to take a hard look at the potential negatives of running WVO.
It certainly has it's supporters and it's detractors. Look at both sides and make an informed decision before you start feeding it to your EXPENSIVE diesel engine.
Good luck with your bus quest!