Yokohama Rubber Joined Blockchain Sustainability Program
The manufacturer has adopted blockchain tracking to verify the origins of natural rubber in its commercial tires.
Updated on Oct. 2, 2026 in Electric Vehicles
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Yokohama Rubber has officially joined the Itochu Corp.-led Project Tree initiative to track its rubber supply chain using blockchain technology. This move aims to ensure full traceability of the materials used in its commercial vehicle tires delivered to partners like FamilyMart.
Why it matters
The company is seeking full transparency to comply with upcoming European Union Deforestation Regulation requirements. This initiative helps ensure the rubber used in tires is sourced sustainably while supporting smallholder farmers through training and financial incentives.
Yokohama Rubber now utilizes blockchain technology to link rubber procurement to specific harvest sites, supplementing its existing RubberWay mapping. The program provides the necessary compliance documentation required for global ESG tracking standards.
The players
Yokohama Rubber
A global tire manufacturer known for its commercial vehicle product lines and adherence to FSC Chain of Custody certifications.
Itochu Corp.
A Japanese integrated trading company that established Project Tree to increase transparency in global natural rubber sourcing.
FamilyMart
A major convenience store chain that now receives commercial tires sourced through the Project Tree network.
The details
Project Tree functions by using a blockchain-based ledger to document the lifecycle of natural rubber from the point of harvest. This digital trail provides the verification required to meet international environmental regulations, while also facilitating direct financial support and training for the smallholder farmers who cultivate the trees.
Timeline
October 2, 2026: Yokohama Rubber officially joined the Project Tree initiative.
The Home Front
This move reflects a growing industry-wide shift toward digital traceability for raw materials in consumer products. It signals that global supply chain transparency is becoming a requirement to maintain compliance with regional environmental regulations.
As a consumer, you should consider looking for brands that participate in transparent supply chain programs like Project Tree when purchasing replacement tires. These certifications help ensure that the materials in your household vehicles meet higher sustainability and ethical standards.
The takeaway
Blockchain-backed transparency is setting a new standard for sustainable manufacturing in the automotive sector. You can check manufacturer websites to see if your preferred tire brands participate in similar supply chain verification programs.
Further reading
For more updates on how manufacturers are adapting to environmental standards, visit Electric Vehicles.
Source note: This article includes information reported by Autosphere.
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