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Komatsu's Environmental and Social Activities Enhancing Quality of Life


Pursuing Environmental Management  Environmental Action Plan and Results for FY2013 (Research and Development)

Reduce the environmental impact of construction equipment

·Develop low-emission construction equipment (compliant to emission standards)
Objectives for FY2013 Results for FY2013 Medium- and long-term objectives
Develop vehicles compliant with Tier4-Interim emission standards
  • ·Developed a vehicle equipped with an engine compliant to Tier4-Interim emission standards (PC228US-10/WA100-7/WA200-7, etc.)
    ·Vehicles equipped with engines compliant with Tier4 final emission standards under development (PC220-11/PC400-11/D155-8/D65-18, etc.)
Development of Tier4 final (STAGE IV) emission standard compliant vehicle in Japan, US, and EU by 2014

·Reduce CO2 emissions from construction equipment (improve fuel efficiency of products)
Objectives for FY2013 Results for FY2013 Medium- and long-term objectives
Reduction in emissions with Tier4-interim emission standard (Hydraulic excavators: 10-13% reduction compared to Tier3)
  • ·Achieved 10% to 13% reduction in emissions with vehicles complaint to Tier4-Interim emission standards (PC220-11, PC400-11)
Decrease emissions by 10% from Tier4 standard compliant vehicle (hydraulic excavator) by 2015.
Reduction in emissions with hybrid vehicle (Hydraulic excavators: 25-35% reduction in emissions compared to current Tier3-normal vehicles)
  • ·Expansion of the hybrid hydraulic excavator line-up (Tier3 compliant HB205-1M0/PC335-1365-1)
    ·Development of Tier4-interim compliant hydraulic excavator (HB205-2)
Decrease emissions by 35% from hybrid vehicles (hydraulic excavators)

Reduce CO2 Emissions from construction equipment (Biodiesel Fuel (BDF) measures: Carbon Offset)
Objectives for FY2013 Results for FY2013 Medium- and long-term objectives
B5/B7 mixed light oil measures
  • ·Addressed by B5 (ASTM, compulsory METI standard)/B7 (EN) mixed light oil
    ·B20 mixed light oil measure (being confirmed)
Use of B20, light oil blended with BDF (standard construction equipment)

·Improving recyclability rate of construction equipment
Objectives for FY2013 Results for FY2013 Medium- and long-term objectives
Achieve 99% for recyclability rate equipment compliant with the next developed vehicles
  • ·Achieved 99% recyclability with Tier4 compliant vehicles
    ·Making GFRP recycleable (revised manual for construction machinery mechanics)
Achieve recyclability rate of 99.5±0.5%

·Strictly control and reduce substances of environmental concern in construction equipment
Objectives for FY2013 Results for FY2013 Medium- and long-term objectives
Maintain reduction of hazardous substances at 75% reduction compared to 1998 levels
  • ·Maintained 75% reduction of hazardous substances with newly developed vehicles as compared to 1998 levels
    ·Additional reduction of lead usage in crawler type construction equipment (active, implementation delayed)
Reduce lead usage by 90% as compared to 1998 levels by FY2015
Reduce the use of mercury and lead in vehicles compliant with Tier4 emission standards
  • ·The disable of mercury is attained (HID: banned from additions/LCD backlight: banned from Tier4 vehicles)
    ·Expand transition from lead solders (excluding PCBs (printed circuit board))
End usage of lead soldering by 2015 (excluding PCBs (printed circuit board))
Reduce the use of SVHC (substances of very high concern) pursuant to REACH regulations
  • ·Ban RCF (Refractory Ceramic Fiber) usage (Insulation material: banned/DPF buffer mat: banned from Tier4 final)
    ·Ban bromine flame retardant type treatment agent (HBCDD/DBDE) from usage in new designs
    ·Limit parts using phthalic ester plasticizer (DEHP/DBP/BBP/DIBP) in new designs
End use of RCF (refractory ceramic fibers) by 2014
Utilize a separate hazardous substances control system for each product type (to comply with REACH regulations)
  • ·Conducted surveys of substances by product type in Japan and the EU for mass production (Implementation of component-specific subtance surveys)
    ·The control system is being implemented outside Japan (with the exception of EU)
Manage substances of each component pursuant with new data

Reduce the environmental impact of industrial machinery

·Market high-performance AC servo presses
Objectives for FY2013 Results for FY2013 Medium- and long-term objectives
Expand business affiliations for AC servo presses
  • ·Promoted the development of H1F200 (200 tons) as a successor to the H1F110 (pressure 110 tons)
Expand AC servo press sales ratio

·Market high-efficiency wire saws for solar cells
Objectives for FY2013 Results for FY2013 Medium- and long-term objectives
Expand business affiliations for specialized machinery for diamond wire
  • ·Participated in activities to slim down silicon materials through the national project "Next Generation Crystalline Silicon PV Consortium"
Slimming down silicon material (finer wires) and expand applications

·Market compact machining center
Objectives for FY2013 Results for FY2013 Medium- and long-term objectives
Expand business affiliations for compact machining center
  • ·Development and market introduction of N40Hi, a successor of energy-saving and space-saving N30Hi
  • ·Development of a desktop grinder that saves energy (decreased by 70%) and space (decreased by 90%)
Expand business affiliations

·Market the energy-saving fiber laser cutting machine
Objectives for FY2013 Results for FY2013 Medium- and long-term objectives
Development of the fiber laser cutting machine
  • ·Promoting the development of the 3kW model, a successor to the fiber laser processing machine (KFL)
Expand business affiliations

·Market thermoelectric power generation that uses waste heat from plants
Objectives for FY2013 Results for FY2013 Medium- and long-term objectives
Development of thermoelectric generation system
  • ·Promoting the practicalization of thermoelectric generators
Commercialization

Promote reuse and recycling

·Expand and promote the remanufacturing ("Reman") business and improve recyclability rate
Objectives for FY2013 Results for FY2013 Medium- and long-term objectives
Promote and expand the Reman business
  • ·Innovation of new recycling-related technologies (expand to hydraulic pump parts)
    ·Expand menu of remanufacturing products (subcomponents, new configuration of long blocks, and expanding the sales area of cylinders)
Promote reuse and recycling through further improvements in recycling-related technologies for parts
Stimulate reuse and recycling worldwide by expanding Reman bases to accommodate demands