A small shrub used to make IndyCar racing tires could help save rainforests and make deserts greener

Tech Insider
Guayule plants in silver planters on stage in front of an IndyCar with Firestone Firehawk race tires made with guayule rubber.
Firestone IndyCar race tires made with guayule. The desert shrub could help supplement the rubber harvested from delicate rainforests.

Joey Bordelon/Bridgestone

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