John Nichols asked in USMA 24493:
74.5 quads or 12.5 billion barrels of oil equivalent (bbls).Any ideas what a quad is?
Fran�ois Cardarelli in the English edition of 1999 of "Scientific Unit Conversion" lists the quad as 1 quad = 10^15 Btu (international table) = 1.055 x 10^18 J -- Joseph B. Reid 17 Glebe Road West Toronto M5P 1C8 Telephone 416-486-6071
