NASCAR is one of America's most popular sports, but the racetrack has seen less fans in attendance lately as the races that have recently taken place have lacked in excitement, according to Yahoo! Sports. The sport is now considering improving its performance.

NASCAR is one of the most popular sports in the country, raking in millions of dollars yearly and attracting thousands of fans to every race.

The No. 78 car in NASCAR's Sprint Cup series recently swapped crew chiefs with the Furniture Row Racing team, adding Todd Berrier who plans on sterring driver Regan Smith in the right direction.

Elliot Sadler was recently crowned the winner of the STP 300 Nationwide Series race, which was held July 22 at the Chicagoland Speedway.

Sweltering heat this summer has swept through the country and caused damage along the way, endangering the health of Americans as well as the safety of drivers who are more prone to overheated vehicles.