William Byron's 21-race winless drought snapped at Iowa and other key takeaways as the NASCAR regular season winds down.

He went the last 144 laps of the 350-lap race without a stop en route to his second victory of the season — he won the ...

William Byron and crew chief Rudy Fugle played their fuel mileage strategy to perfection at Iowa Speedway, earning their ...

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

Byron's win is his first since the Daytona 500, and it also gives him the regular season points lead with three races to go ...

Byron made his final pit stop on Lap 206 of 350 on the 0.875-mile oval, where the pit window is estimated at about 110 ...

After a lack of fuel cost him the win at Michigan, William Byron has made up for it by stretching a single fuel tank 144 laps ...

William Byron fought off fuel worries in the closing laps to win the NASCAR Cup Series race Sunday at Iowa Speedway.

Fuel mileage has been an issue for William Byron in three races this season, costing him a victory at Michigan and a ...

William Byron and his crew chief, Rudy Fugle, didn’t exactly have plans to run the final 145 laps of Sunday’s NASCAR Cup Series event at Iowa Speedway on a sing ...