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Back to August 2011 Motorsports News Archive
| 31-08-2011 at 08:00: Mazda Turns Old into New | |
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Conventionally, bumpers from ELVs are processed into automobile shredder residue (ASR) and incinerated to recover heat energy (thermal recycling). By enabling the ELV bumpers to be recycled into material for new vehicle bumpers, the new technology improves the material recycling ratio (MRR) of Mazda vehicles and contributes to more effective use of resources. Bumpers comprise a large proportion of the plastic used in vehicles and Mazda is proactively developing bumper recycling technologies as an effective way to increase vehicle MRR. Mazda became an industry leader in bumper recycling when it began processing damaged bumpers collected from in-use vehicles through its dealer network in Japan. Mazda then aimed to further develop this damaged bumper recycling technology and adapt it for recycling ELV bumpers. Many ELVs are over 10 years old, so the composition of the bumpers’ polypropylene plastic and the adhesive properties of the paint vary considerably. Before recycling, unwanted materials such as metal attachments must also be removed. As a result, processing ELV bumpers into new material has previously been technically and economically difficult. To overcome this, Mazda began in the 1990s to design bumpers to be easily recyclable, and now the number of ELV bumpers that can be efficiently dismantled is increasing. Mazda has also developed and implemented efficient ELV bumper collection and processing methods in collaboration with Yamako Corporation and Takase Gosei Kagaku Corporation, companies based in Hiroshima prefecture, western Japan. As a result of these initiatives, the cost of recycling is less than the cost of purchasing new plastic. Initially, Mazda is collecting bumpers from end-of-life Mazda vehicles in the Hiroshima area, with the recycled plastic comprising approximately 10 per cent of each new bumper produced. Currently, approximately 20 per cent by weight of ELVs (parts made of plastics, rubber and other materials) is incinerated as ASR. Bumpers comprise a large proportion of the plastic so collecting and recycling ELV bumpers is expected to make a significant contribution to reducing ASR and optimising efficient use of resources. Going forward, Mazda will continue to develop advanced recycling technologies, including bumper-to-bumper recycling, as it strives toward a sustainable future. * As at August 2011 (Mazda data) |
Mazda Motor Corporation has become the world’s first* automaker to successfully recycle scrapped bumpers from end-of-life vehicles (ELVs) into raw material for new vehicle bumpers. The new technology was introduced on August 21, 2011 and is initially being used to make rear bumpers for the Mazda Biante minivan.^ Back to top ^
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