2026 NASCAR Rules
Qualifying
Allmendinger, A.J.

Hot New Data on Driver Cooling

Driver cooling seems to be an issue almost every week. It seems like at least one driver has a cool shirt failure each race. A.J. Allmendinger needed medical attention after COTA due to high ambient temperature and running a road course, where cockpits typically get hotter than other types of tracks. […]

Austin Dillon

Every Point Counts — But Don’t Fret Over Point Standings Just Yet

I post a yearly reminder not to get too bent out of shape by the point standings early in the season. But NASCAR changed the points system for 2026. Now, they remind us, every point counts.

So does that make my long-standing advice incorrect?

It does not. […]

Bioethanol

NASCAR Partners with Poet Bioethanol ProduceBiofuel

NASCAR announced a partnership with South Dakota-based Poet, a bioethanol producer. Although NASCAR has been using E15, an ethanol-blend biofuel since 2011, this represents a switch from ethanol to a less wasteful bioethanol. […]

Aerodynamics
Daytona 500
2026 NASCAR Rules
Phoenix International Raceway

Phoenix Proves the Case for More Practice

This is the second year in a row that the end of the NASCAR season left a sour taste in my mouth. Last year, it was manufacturer manipulation at Martinsville that excluded Christopher Bell from the Championship 4. This year, it was a race in which chance played more role than skill. […]

Briscoe, Chase

Dr. Diandra’s 2025 NASCAR Championship Race Preview

After 35 races and three knockout rounds, four drivers qualified to race for the championship: Chase Briscoe, William Byron, Denny Hamlin and Kyle Larson. The driver who posts the best finish at Phoenix becomes the 2025 NASCAR Cup Series Champion. […]