"Do you recall the "back to the future" movies where doc puts food scraps into the time machine? Seems far fetched but when we look to si-fi of the past most of it has become reality."
haha yeah its getting that way, can't wait till I get a ship with hyperdrive and a wookie.:)
Melbourne alone produces approx 830 million litres of sewerage per day, this is probably an overly simplistic calculation, but assuming an equal energy potential between petrol and hydrogen, thats a lot of australias energy requirement considering we use about 45 million litres of petrol per day
