Case Study
Engine manufacturer generates savings of $37m with ISO 50001


Detroit Diesel designs and builds heavy-duty engines aimed at the North America and overseas market. They employ 3,400 full time employees who are based in Detroit in a 3.2 million sq. ft. facility.

Accredited certification to ISO 50001 has enabled the business to achieve the following goals over the past 10 years:

  • $37,000,000 in cost savings
  • 32.5% increase in energy efficiency
  • 93% increase in production
  • 9% reduction in electricity
  • 41% reduction in natural gas
  • 35% reduction in diesel fuel
  • 84% reduction in Greenhouse Gas
  • 81% reduction in air emissions
  • 10% reduction in water consumption

Further information is available in this factsheet on the Clean Energy Ministerial website.


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