Graphic: A season of change
NASCAR's new season is underway amid unprecedented changes among teams, drivers, sponsors and the backing of the car manufacturers. Visit an interactive look at this year's major team alignments.
Graphic: Stick vs. open-wheel
The fact that they have four wheels and an engine are about the only similarities between NASCAR and IndyCar. Take a look at the differences between the race cars.
Anatomy of a dragster
Visit an interactive graphic that breaks down how these fast-accelerating vehicles work.
Watch footage of engine talk during the Mile-High Nationals at Bandimere Speedway in Morrison.