Most important wartime petroleum by-product is toluene, the basis of TNT (trinitrotoluene) which the industry now provides at many times the scale of World War I when it was .
Inside the Eerie TNT Storage Bunkers of West Virginia Joshua Dudley Greer’s images depict concrete igloos on a former military facility that manufactured and stored trinitrotoluene (TNT) during World War II.
March 31, 2014 - Wired News