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Komatsu's Environmental and Social Activities Enhancing Quality of Life


Pursuing Environmental Management  Environmental Action Plan and Results for FY2012 (Research and Development)

Reduce the environmental impact of construction equipment

·Develop low-emission construction equipment (compliant to emission standards)
Objectives for FY2012 Results for FY2012 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 (PC/138US-10, D37/39-23, WA270-7, WA320-7, etc.)
    ·Vehicles equipped with engines compliant with Tier4 final emission standards under development
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 FY2012 Results for FY2012 Medium- and long-term objectives
Vehicles compliant to theTier4-interim emission standard (hydraulic excavators: 10% reduction compared to existing models)
  • ·Achieved 8% to 10% reduction in emissions with vehicles complaint to Tier4-Interim emission standards (PC138US-10 etc.)
Decrease emissions by 10% from Tier4 standard compliant vehicle (hydraulic excavator) by 2015.
Reduction in emissions with hybrid vehicle (Hydraulic excavators: 25% reduction in emissions compared to current normal vehicles)
  • ·Expansion of the hybrid hydraulic excavator line-up (HB205-1M0)
    ·Development of the hybrid hydraulic excavator for PC-300 series
Decrease emissions by 35% from hybrid vehicles (hydraulic excavators)by 2015

Use of Bio Diesel Fuel (BDF): Carbon offset
Objectives for FY2012 Results for FY2012 Medium- and long-term objectives
- - Use of B20, light oil blended with BDF (standard construction equipment)

·Improving recyclability rate of construction equipment
Objectives for FY2012 Results for FY2012 Medium- and long-term objectives
Achieve 99.5±0.5% for recyclability rate equipment compliant with the next developed vehicles
  • ·Adopted chlorine-free hydraulic hoses (possible to recycle in disposing)
    ·Achieved 99% recyclability with Tier4 compliant vehicles
Achieve recyclability rate of 99.5±0.5%

·Strictly control and reduce substances of environmental concern in construction equipment
Objectives for FY2012 Results for FY2012 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 (in progress)
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
  • ·Banned usage of mercury in new designs
    ·Banned usage of resin lining materials containing lead (bearing bushes, etc.) in new designs
End usage of lead soldering by 2015 (excluding PCBs(prineted circuit boad))
Reduce the use of SVHC (substances of very high concern) pursuant to REACH regulations
  • ·Completed disuse from phthalate ester plasticizer in the rubber for hydraulic hoses
    ·Disuse of using RCF (refractory ceramic fibers) (in progress)
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
    ·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 FY2012 Results for FY2012 Medium- and long-term objectives
Expand business affiliations for AC servo presses
  • ·Developed and introduced the energy-saving (56% improvement) miniature AC servo press to the market
Expand AC servo press sales ratio

·Market high-efficiency wire saws for solar cells
Objectives for FY2012 Results for FY2012 Medium- and long-term objectives
Expand business affiliations for specialized machinery for diamond wire
  • ·Developed and introduced sapphire processing machinery for LEDs to the market machining equipment for sapphires used in LEDs.
Expand business affiliations, increase application purposes

·Market compact machining center
Objectives for FY2012 Results for FY2012 Medium- and long-term objectives
Expand business affiliations for compact machining center Developed and introduced the compact grinding machine (NTG-4SP) to the market with a significant reduction in consumption of energy (decresed by 57%) and space (decreased by 66%) Expand business affiliations

·Market the energy-saving fiber laser cutting machine
Objectives for FY2012 Results for FY2012 Medium- and long-term objectives
Development of the fiber laser cutting machine
  • ·Developed and introduced the energy-saving (decreased by 93%) fiber laser cutting machine to the market
Expand business affiliations, increase application purposes

·Market thermoelectric power generation that uses waste heat from plants
Objectives for FY2012 Results for FY2012 Medium- and long-term objectives
Development of thermoelectric generation system
  • ·10kW verification tests operation in continuous-casting machines
Commercialization

Promote reuse and recycling

·Expand and promote the remanufacturing ("Reman") business and improve recyclability rate
Objectives for FY2012 Results for FY2012 Medium- and long-term objectives
Promote and expand the Reman business
  • ·Innovation of new recycling-related technologies (expansion of recycling components for transmissions)
    ·Established the 11th Reman Center and expanded the supply area of Reman products
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