The white flag was out as Dale Earnhardt Jr. led the field across the start/finish line at Las Vegas Motor Speedway earlier this year. Four months later, teammate Jeff Gordon ran out of fuel under caution at New Hampshire Motor Speedway as the field prepared for a green-white-checkered finish. "That (fuel) pickup is in the right side (of the fuel cell) ? With reams of information at their fingertips, NASCAR Sprint Cup Series teams have a pretty good idea of just how much fuel their cars have in the tank at any time, as well as the car's fuel mileage during each race. More...