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Environmental Initiatives

Initiatives in Logistics

CO2 reduction


CO2 Emissions Reduced by 30.9% Compared with FY1990 Levels

Mazda is working with logistics companies, dealers, and other automakers throughout Japan to reduce CO2 emissions during product shipment.

Results in FY2010

Total domestic transportation volume (including purchasing and supply of materials, parts and completed vehicles) was 448 million ton-kilograms. This represents a 30.9% reduction in transportation CO2 emissions per ton-kilogram compared with FY1990 levels, achieving the Company's target of 20% or more.

In 2010, Mazda expanded tracking capabilities for CO2 emissions from the shipment of finished vehicles and parts overseas.


Distribution Routes by Product
figure : Distribution Routes by Product
Main Policies, Status, and Results (in Japan)
figure : Main Policies, Status, and Results (in Japan)
CO2 Emissions and Reductions for Logistics (Domestic)
figure : CO2 Emissions and Reductions for Logistics (Domestic)

Balance of Reducing CO2 Emissions and Satisfying Customer Needs

Mazda is taking the following measures to provide customers in logistics with the volume they require, with the precise timing they expect, while reducing CO2 emissions.

1. Consolidation of logistics centers for completed vehicles (hub-and-spoke system)*1

In FY2009, while ensuring timely shipments, Mazda consolidated its nine logistics centers nationwide into seven locations with the aim of combining routes with low shipping volumes. This consolidation enabled the Company to improve loading efficiency in coastal cargo vessels and achieve shorter shipping distances, resulting in improved overall shipping efficiency and reduced CO2 emissions.

  • *1In the "hub-and-spoke" system, distribution centers around the country(hubs) act as bases for delivering completed vehicles to dealerships (spokes).
Hub-and-spoke System
figure : Hub-and-spoke System

2. "Straightening" of logistics network

  • Logistics without distribution centers (Vanning in factory)
    After manufacture of KD parts*2 is complete, they are packaged and loaded into containers at the same location, eliminating the need for shipment between production and packaging locations.
  • Establishment of new supply bases for service parts in the Tokai region
    In place of the old system of consolidating shipments by sending parts to Hiroshima, we set up a new supply base for efficient nationwide delivery operations.
  • Expanded packaging and shipping operations at repair-use bumper production locations
    By carrying out packaging and shipping operations near production centers, unnecessary shipping of bumpers can be eliminated.
  • *2A manufacturing method wherein parts are exported to overseas manufacturing bases, where they are assembled onsite.
Packaging and Shipping Workflow on Manufacturing Line
figure : Packaging and Shipping Workflow on Manufacturing Line

3. Introduction of the Milk-Run System*3 for Parchasing Parts

Mazda promotes the use of a system wherein trucks transporting production parts collect freight from several suppliers during the same run. This increases the load efficiency of delivery trucks and reduces the number of trucks that are needed. Deployment began in FY2003 in parts of Hiroshima Prefecture and in the Kyushu area, and was complete throughout Japan by FY2007.

Today, Mazda is looking at all purchasing and logistics processes, aiming for further efficiency improvements in the logistics chain.

  • *3A method in which a single truck visits multiple suppliers to collect supplies. Named after truck routes in rural areas, which picked up milk from each farm.
figure : Introduction of the Milk-Run System*3 for Procured Parts

4. Round-Trip Use of Railway Containers

photo : Shipping containers
Shipping containers

Mazda is moving forward with a concerted modal shift in logistics, away from trucks and toward rail shipment using dedicated containers. Starting in FY2007, by combining the milk-run system for parts purchasing with rail shipment of repair parts, Mazda established a green logistics system between Hiroshima and the Tokai region. The Company also began using rail shipment of dedicated containers in both directions. These measures have contributed to reduced CO2 emissions.


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