chart all u want FACT is we r just streaching out earth and her attmosphere we dont need to foreal stop being warm via coal oil gas etc to save earth it is an evelution that is taking place the way to use thes heats is to try to buy back the filtering systems that FORD tossed in as a bonus to MEXICO when we desided to go stupid and not filter corectly we could b smelting melting & pouring right here in the good ole usa safely with no polution