Three Honda Manufacturing Plants Earn EPA ENERGY STAR Certification

For the 12th consecutive year, two of Honda’s Ohio automobile manufacturing plants have earned the U.S. Environmental Protection Agency’s (EPA’s) ENERGY STAR certification, while Honda Manufacturing of Indiana (HMIN) achieved the designation for the sixth year in a row.

EPA ENERGY STAR certification signifies that the facilities perform in the top 25 percent of similar facilities for energy efficiency and meet strict energy efficiency performance levels set by the EPA. On average, ENERGY STAR certified plants consume 35 percent less energy and contribute 35 percent fewer greenhouse gas emissions than similar non-certified operations.

Furthering its legacy of environmental performance, Honda of America Mfg.’s auto assembly plants in Marysville and East Liberty continued to find new and innovative ways to conserve energy in 2017. The 2.8-million square-foot East Liberty plant, which produces the Honda CR-V and the Acura RDX  and MDX SUV’s, continued the use of LED lighting – saving 1 million kWh of electricity – and ushered two more new high-efficiency 1350-ton chillers into service in 2017.

The Marysville plant, which produces the Honda Accord as well as the Acura ILX and TLX, improved its real-time energy visual management system, allowing each department in the facility to track energy loss and accurately determine the success of its energy-saving procedures. The improved monitoring system also allows for a live comparison to the facility’s yearly energy targets.

HMIN, which produces the Honda Civic and CR-V, has been ENERGY STAR certified for each of the last five years. The facility, located in Greensburg, Indiana, continued on its path toward energy efficiency through the implementation of a phased conversion to LED lighting, minimizing energy loss by managing non-production energy consumption and the implementation of a compressed air leak management program.

ENERGY STAR was introduced by EPA in 1992 as a voluntary, market-based partnership to reduce greenhouse gas emissions through energy efficiency. Since 2006, the ENERGY STAR Industrial Program has annually certified manufacturing plants for reaching the top 25 percent of energy performance in their industries nationwide. Over 190 plants have achieved this distinction since 2006. For more information, see: For specific plant profiles, see:


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