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Honda Celebrates 40 Years of Production At Anna Engine Plant in Ohio

July 21, 2025

Honda will mark the 40th anniversary of the Anna Engine Plant (AEP) on Tuesday, July 22, celebrating the largest Honda auto engine plant in the world. Now a key part of the Honda EV Hub, AEP is one of three production facilities in Ohio that are advancing the concept of flexible manufacturing, using domestic and globally made parts to produce internal combustion engines (ICE), hybrid powertrains and all-electric motors on the same production lines.

AEP has built more than 32.5 million engines, including for automobiles and powersports products, as well as a variety of powertrain components for engines and transmissions since it began production of motorcycle engines on July 22, 1985. Production of auto engines began in 1986 with a 4-cylinder powerplant for the Honda Civic.

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