Just install thermal expansion and use a creative tank that you click with a bucket of oil and it's infinitely fullThat's why Bulidcraft is so nice to have.
Why does it need oil to be self sufficient?
Solar panel > energy storage > oxygen collectors, sealers, compressors, e.t.c.
Not enough power? just add more solar panels.
For creative it's better to get oil, the ID is 3377.
Forgot about that...Well hes talking about having oil/ fuel on site for his rocket.