Except for the oil used to lubricate the steel during the stamping process not much, (maybe a teaspoon at most). That oil is then reused to lubricate other sheets when stamped.
However if your talking about oil used to keep the manufacturing plant operational (energy production) that is a much more complex question and im not sure if any one knows.
Oil Design Earrings - Stainless Steel Stud *WHITE SCORPION* - ODE116, Oil Design Earrings - Stainless Steel Stud *FOOTSTEPS* - ODE125, Oil Design Earrings - Stainless Steel Stud *VOODOO RING* - ODE127, Oil Design Earrings - Stainless Steel Stud *POP THE CHERRY* - ODE117, Oil Design Earrings - Stainless Steel Stud *HYPNOTIZED* - ODE130, Oil Design Earrings - Stainless Steel Stud *SMILEY ANNOYING FACE* - ODE122, Oil Design Earrings - Stainless Steel Stud *CUTE PINK KITTY* - ODE114, Oil Design Earrings - Stainless Steel Stud *HORNY FACE* - ODE128, Oil Design Earrings - Stainless Steel Stud *CUTE FAT BIRD* - ODE129, Oil Design Earrings - Stainless Steel Stud *RED DOT WHITE SPIDER* - ODE113, Oil Design Earrings - Stainless Steel Stud *SEXY 69* - ODE115, Oil Design Earrings - Stainless Steel Stud *TRIPLE YIN YANG* - ODE112, Oil Design Earrings - Stainless Steel Stud *RED ROCKSTAR* - ODE126, Oil Design Earrings - Stainless Steel Stud *FOR HER* - ODE124, Oil Design Earrings - Stainless Steel Stud *KOMODO* - ODE120, Oil Design Earrings - Stainless Steel Stud *RED BEETLE BUG* - ODE118, Oil Design Earrings - Stainless Steel Stud *RED DOT BLACK SPIDER* - ODE119, Oil Design Earrings - Stainless Steel Stud *CROSS SKELETON* - ODE121, Oil Design Earrings - Stainless Steel Stud *POP THE CHERRY* - ODE117A, Oil Design Earrings - Stainless Steel Stud *CUTE MOTHFLY* - ODE212, Oil Design Earrings - Stainless Steel Stud *NEW YORK* - ODE211, Oil Design Earrings - Stainless Steel Stud *LUCKY DICE* - ODE210, Oil Design Earrings - Stainless Steel Stud *BMW* - ODE209, Oil Design Earrings - Stainless Steel Stud *THE KOMODO* - ODE208, Oil Design Earrings - Stainless Steel Stud *MIAMI HEAT* - ODE207, Oil Design Earrings - Stainless Steel Stud *BLUE FLOWER POWER* - ODE206, Oil Design Earrings - Stainless Steel Stud *CUTE FACE HELLO KITTY* - ODE205, Oil Design Earrings - Stainless Steel Stud *D&G* - ODE204, Oil Design Earrings - Stainless Steel Stud *NIKE* - ODE203, Oil Design Earrings - Stainless Steel Stud *PLAYBOY* - ODE202,