Environment

Establishment of a Low-carbon Society

Aiming to contribute to the prevention of global warming

The AISIN Group is committed to preventing global warming and is promoting activities aimed at creating a low-carbon society in the development of product technology, production activities and shipping.

Targets and results of reducing CO2 emissions

The AISIN Group set the target of a 12% reduction in CO2 emissions on a per sales unit basis by fiscal 2016 versus fiscal 2008. In an effort to achieve this target, we established energy supply in conjunction with production and shared action examples from respective companies, particularly in the area of power conservation in production equipment, and factored these components into our reduction plan.

As a result of these initiatives, we reduced CO2 emissions by 19.2% on a per sales unit basis at 11 main manufacturing companies in Japan* in fiscal 2016, thus achieving our target.

* Of the 12 main companies in Japan, refers to the 11 manufacturing companies excluding Aisin Development, a non-manufacturing company

Total emissions of CO2 per sales unit
(From the Group’s 11 main manufacturing companies in Japan)
Total emissions of CO2 per sales unit
Total CO2 emissions due to transport per sales unit
(From the Group’s 11 main manufacturing companies in Japan)
輸送に伴うCO2総排出量/売上原単価

Emissions of non-CO2 greenhouse gases
(From the Group’s 11 main manufacturing companies in Japan)

(t-CO2)

  FY2014 FY2015 FY2016
HFCs 162 157 4,175
SF6 5,497 4,302 11,400

* Figures for FY2016 have been revised according to global warming potential (GWP) values.

Initiatives to reduce CO2 in the product life cycle

AISIN Group companies proactively set themes for CO2 reduction in production for fiscal 2016 and worked to make improvements, namely activities aimed at enhancements using energy data and accumulating knowledge on heat in addition to the horizontal deployment of examples of CO2 reduction from each company.

In product design, we conducted assessments of environmental load for over 90% of developed products in each stage of the product life cycle, from the procurement of the raw materials we use through to manufacture, use and disposal. This way, we endeavored to develop products with minimal CO2 emissions.

In terms of reducing CO2 in transportation, we bundled goods from the AISIN Group, particularly for customers far away, expanded joint transportation and enhanced load efficiency, which led to a reduction in the number of trucks needed.

Initiatives in fiscal 2017

The AISIN Group will promote activities toward the achievement of our targets while enhancing energy management amid efforts to expand the scope of our reduction targets globally by 2020.

Group company action highlights

Development of rechargeable lithium-air batteries enabling driving for at least 500km

IMRA Material R&D Co., Ltd., which handles research and development of advanced technologies, has shown that the “ultimate battery” is within reach with the rechargeable lithium-air battery after challenging various technical challenges in collaboration with the state and university. The battery is gaining attention as a post lithium-ion battery.

Electric vehicles can be driven for 500km with the 100kg battery system, which is thought to be impossible with current mainstream lithium-ion batteries. As such, the energy density of the rechargeable lithium-air battery may soon be on par with gasoline.

Going forward, we will seek to resolve issues related to durability and aim to enhance technology, which will include a review of each component and materials used in the batteries.

Prototype of the rechargeable lithium-ion battery stack (four-cell)
Prototype of the rechargeable
lithium-ion battery stack
(four-cell)
Reduction of CO2 emissions by promoting steamless operationsAction 2

Aisin AI uses around 6,000 tons of steam a year to heat its number one and two plants, cool its number three plant and heat up its plant equipment. The steam is made through the combustion of LNG and heavy oil via a boiler, but due to increasing fuel prices and the fact that close to 60% of the steam is lost in supply, the company replaced the steam boiler with electricity. This resulted in a reduction of 271t-CO2 for the year. Moving ahead, we will aim to become totally steam-free as we promote CO2 reduction in production activities.

Effect (Amount of CO2 reduced)
Effect (Amount of CO2 reduced)
Power reduction through downsizing of dissolution-type dust collectorAction 3

The large dissolution-type dust collector on Aisin Takaoka’s molding line has the ability to collect dust over a wide area, but the long duct leads to significant pressure loss while there is variation in air volume due to damper control. Consequently, dust was being collected at a level of air volume that was beyond requirements. To solve the issue, small idle dust collectors were dispersed near the source of the dust, which meant the large dust collector could be turned off and the duct route simplified. Now dust can be collected using the required level of air volume as required. This resulted in a reduction of 1,060t-CO2 for the year.

Dust collection system

Dust collection system

Activities for fiscal 2016

Eco-product certificationAction 1

We have established our own eco-product certification system for Aisin Seiki products that are eco-friendly in an effort to promote environmentally sound product development. In fiscal 2016, we certified the F-series “XAIR II” Gas Heat Pump (GHP) air-conditioner, bringing the number of certified products to 11.

Going forward, we will work to increase eco-products and develop products that are kind to the global environment.

Product certified in fiscal 2016 Product certified in fiscal 2016