In an effort to become more sustainable General Motors is focusing on making tires that come from natural rubber from renewable sources
Goodyear's New Tire Is Made From Soybean Oil, Rice Husks And Pine Resin
Global evaluation of the chemical hazard of recycled tire crumb rubber employed on worldwide synthetic turf football pitches - ScienceDirect
GM wants all its tires to contain natural, sustainable rubber - CNET
Eco-Friendly Tires - Tire Review Magazine
Natural rubber degradation products: Fine chemicals and reuse of rubber waste - ScienceDirect
Continental & SMX verify marker technology for natural rubber in tires - Green Car Congress
Goodyear unveils 90% sustainable-material demonstration tire, approved for road use - Green Car Congress
Bridgestone aims to make natural-rubber tires from a sustainable American southwest crop
This Alternative to Rubber Could Transform How Tires Are Made
