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NASCAR 101: How Drivers Protect Themselves From the Brutal Heat Inside Their Cars

Drivers fight cockpit heat with hydration pouches fed to their helmets or simple water bottles. “I have a little bottle with a straw,” explained Ty Gibbs. Truex used a tube, Hamlin drinks only on straights, and Bell waits for cautions. Teams mix in minerals and glucose to keep drivers sharp as temperatures can reach up to 140 degrees inside.