By The Associated Press Benchmark U.S. crude oil for September delivery fell $1.12 to $77.16 per barrel Friday. Brent crude for September delivery fell $1.24 to $81.13 per barrel. Wholesale gasoline for August delivery fell 1 cent to $2.46 a gallon. August heating oil fell 5 cents to $2.42 a gallon. August natural gas fell […]