Reducing Waste at Plants and Other Facilities / Production, Logistics, and Other Initiatives

Reducing Waste at Plants and Other Facilities

Daihatsu has made efforts to recycle scrap metal, waste plastic, and other waste materials generated during production, and as a result, now recycles 97.1% of waste material released from plants. In order to reuse such waste material as resources, however, recovery, transportation, and recycling require further energy usage. To address this issue, we have focused on “reduce” in order to decrease the amount of waste generated, promoting the effective use of resources. When punching out parts from steel plates using a press, for example, it is possible to curtail the generation of metal scrap and achieve efficient production using less material and less energy by adjusting the positioning of the molds and the sizes of the steel plates. By adopting such innovations, we will shift the focus of our initiatives for reducing waste to developing technology for manufacturing cars with less material.

Types of waste material and recycling methods1

2024 (calendar year) data
Category
(Main Content)		 Percentage of Total Waste Processing Method
Scrap metal 74.45% Payable for recycle, profit
Sludge 12.90% Payable for recycle, intermediate processing
Waste plastic 4.64% Payable for recycle, profit
Waste oil 4.06% Payable for recycle, profit
General materials 1.54% Payable for recycle, profit
Waste acids 0.43% Payable for recycle, profit
Waste alkalis 1.40% Payable for recycle
Others 0.58% ─

1. Scope: Daihatsu production sites and Daihatsu Motor Kyushu

 

Waste Material Processing Flows2
2024 (calendar year) data

2. Scope: Daihatsu production sites and Daihatsu Motor Kyushu

Production, Logistics, and Other Initiatives

Fundamental Approach

The manufacture of automobiles entails the use of a variety of different resources, including metals such as iron and aluminum, resin, glass, and rubber. By focusing on details in processes including development, manufacture, and logistics, Daihatsu is pursuing the creation of small-size cars using minimal resources.
In addition to vehicle manufacturing that uses minimal resources, based on various automotive recycling laws and regulations in Japan and overseas, we aim from the design and development stages to develop cars that facilitate the implementation of the 3Rs to promote the proper processing of end-of-life vehicles. We will also encourage the expansion of car-to-car recycling in which we reuse resources recovered from end-of-life vehicles in the manufacture of new vehicles.

Examples of Initiatives

Paper Usage Reduction: Vehicle Instruction Manuals

Daihatsu is gradually reducing the size of our vehicle instruction manuals, thereby reducing the use of paper resources.

○: Started lightweight (FY)
Models 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026
Hijet Caddie ○ ○ ○ ○ ○ ○ End of
sales		      
Mira e:S   ○ ○ ○ ○ ○ ○ ○ ○ ○
Mira Tocot     ○ ○ ○ ○ ○ End of
sales		    
Tanto, Rocky     ○ ○ ○ ○ ○ End of
sales		    
Taft, Gran Max        ○ ○ ○ ○ ○ ○ ○
Hijet Atrai,
Hijet Truck,
Hijet Cargo		          ○ ○ ○ ○ ○ ○
Move Canbus             ○ ○ ○ ○
Move                   ○

Reducing Waste by Improving Drive Shaft Packaging (Adopting Returnable Containers and Increasing Loading Efficiency)

Daihatsu developed special trays for transporting drive shafts that are highly loadable, reusable, and lightweight. As a result, we have succeeded in reducing the weight of our drive shaft packaging waste by 97.4%.