GM has recently announced that it was investing USD 918 million into four of its US based production facilities, USD 55 million of which is earmarked for the GM Defiance plant in Defiance, Ohio. The USD 55 million investment includes USD 47 million to support the production of a variety of block castings for use in future GM V8 engine programs, as well as USD 8 million to build a casting development cell to support future EV strategies. The GM Defiance plant in Ohio is an aluminum foundry and machining center that produces inline four-cylinder, V6, V8 cylinder blocks and inline four-cylinder head castings. These components are used in a variety of different GM models and brands, including Buick, Cadillac, Chevy, and GMC. The facility is located at 26427 State Route 281 in Defiance, and spans some 1.9 million square feet. Initially opening in 1948, the GM Defiance facility currently employs roughly 530 workers (as of December 31st, 2022), who are represented by UAW Local 211. GM has invested more than $187 million into the facility since 2013.