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MTU Detroit Diesel Inc. announced a name change to Tognum America Inc., effective June 1, 2011. Tognum America, like MTU Detroit Diesel before, is a subsidiary of the Germany-based Tognum Group and is responsible for the sales and service of MTU engines and MTU Onsite Energy distributed energy systems in North and Latin America. Tognum America has offices in Detroit, Houston, Washington DC, San Leandro, CA; St. Rose, LA; Miami, FL and Mankato, MN. The company also operates two state-of-the-art production facilities: one in Mankato, MN for diesel and gas-based generator sets and one in Aiken, SC where it currently machines parts and builds MTU Series 2000 and 4000 engines.