The global automotive industry is undergoing a significant shift toward a green future. In Vietnam, electric vehicle (EV) manufacturers are pioneering the use of bio-based and recycled materials to realize the goal of Net Zero 2050 [4]. Replacing traditional petrochemical-based materials is not just a trend but a mandatory requirement to meet the stringent standards of the international market [2].
Materials scientists play a key role in this process. They are working to develop solutions that optimize vehicle weight and minimize the carbon footprint right from the component manufacturing stage [3]. The combination of modern technology and Vietnam's abundant natural resources is opening up promising new opportunities.
The role of bio-based materials in interior design
Vegan leather and plant-based materials are becoming the new standard for EV cabins. Instead of using animal leather or petroleum-based synthetic plastics, manufacturers have turned to coconut fiber, mushrooms, and other natural fibers [1]. These materials significantly reduce the amount of volatile organic compounds (VOCs), providing a healthier space for users.
The application of green materials in the automotive industry goes beyond aesthetics. Bio-composites made from bamboo, rice husks, and jute also offer superior weight advantages. Lighter weight helps EVs optimize their range per charge, a vital factor for operational performance [2].
Recycled plastics and green metals in vehicle structures
Using recycled plastics (rPET, rPP) is a strategic solution to reduce ocean plastic waste. Components such as floor mats, headliners, and under-hood panels can now be produced from recycled plastic while still ensuring mechanical durability. This is proof that the green transition in the automotive industry is on the right track.
Besides plastic, recycled aluminum also plays an important role in reducing emissions. The production process of recycled aluminum saves up to 95% of energy compared to primary aluminum [3]. Manufacturers in Vietnam are actively applying this technology to produce chassis and battery casings, helping to significantly reduce the overall weight of electric vehicles.
Battery recycling and the circular economy
EV batteries are the most resource-intensive component. Recovering precious metals such as lithium, cobalt, and nickel from old batteries is a top priority for scientists. You can learn more about developing the recycled materials market for EVs in Vietnam to grasp the big picture of this supply chain.
The "second-life" model for batteries is also being implemented vigorously. When battery capacity is no longer sufficient for vehicle use, they are converted into stationary energy storage systems (ESS) [1]. This maximizes the value of the materials and reduces environmental pressure. Policies on developing a circular economy for the EV industry in Vietnam are also creating favorable conditions for businesses to invest in recycling infrastructure.
Challenges and opportunities for Vietnamese manufacturers
Despite the immense potential, the industry still faces many barriers. Research and development (R&D) costs for bio-based materials are currently higher than for traditional materials. Furthermore, green materials must meet strict durability standards under the tropical monsoon climate conditions in Vietnam [4].
However, the advantage of abundant agricultural raw materials is a golden opportunity. Manufacturers can leverage coconut fiber, bamboo, and agricultural by-products to create a sustainable domestic supply chain. This not only helps reduce import costs but also enhances the "Made in Vietnam" brand image in the international market [5].
Future vision
The transition to bio-based and recycled materials is a long-term journey. Collaboration between scientists, manufacturers, and the government is the decisive factor for success. As technology develops, production costs will gradually be optimized, making green EVs more accessible to consumers.
Vietnam is standing before an opportunity to become a sustainable EV manufacturing hub in the region. By focusing on innovation and adhering to ESG standards, the Vietnamese automotive industry will assert its position on the global green transportation map [5].
More Information
- Bio-based materials: Materials derived from natural biomass such as plants, fungi, or natural fibers, used to replace petroleum-based plastics and leather in automotive production.
- Recycled plastic (rPET): Plastic collected from consumer plastic waste, processed to become input material for EV interior components and spare parts.
- Circular economy: An economic model focused on extending the life cycle of materials through reuse, repair, and recycling to minimize environmental waste.
- Carbon footprint: The total amount of greenhouse gas emissions generated throughout the life cycle of a product, from raw material extraction and production to disposal.
- Second-life battery: The process of converting EV battery packs that have degraded in capacity into stationary energy storage systems for the power grid or households.