William Byron nursed his car to the finish line at Iowa Speedway as the whole team held its breath there was enough fuel to ...

William Byron used a flurry of cautions to stretch his fuel over the final 140 laps to win Sunday's NASCAR Cup Series race at Iowa Speedway.

A chef's kiss, in his book. "Right up my alley," said Chastain, who is in his eighth season of racing Cup Series cars. He has six wins and 65 top-10 finishes spanning 237 races.