text: Corn at $3.35 per bushel, with 401,128 Btus (British thermal units) of energy content in each bushel, is worth $0.0008 per Btu. Meanwhile crude oil at $26 per barrel, with 5,705,000 Btus in each barrel, is currently worth only $0.0005 per Btu. (DTN ProphetX chart by Elaine Kub