The company's proving grounds in Chelsea, Michigan will remain open and active. It's unclear if there are any buyers interested in buying the 4,000-acre facility. It's no secret that Stellantis ...

Stellantis continues to use its 4,000-acre Chelsea Proving Grounds, located west of Ann Arbor. The Arizona Proving Grounds, purchased in 2007, has 70 lane miles for car testing. It was included on ...

The company, which will maintain its proving grounds in Chelsea, Michigan, confirmed its plans for the 4,000-acre property in western Arizona on Friday. "Stellantis continues to look for ...

For those curious, Stellantis will continue to operate its proving grounds in Chelsea, Michigan. Stellantis confirmed that the decision is part of its strategy to "improve efficiency" in a rapidly ...

Yves Bonnefont, Stellantis' chief software officer, told reporters during a Wednesday presentation at the automaker's Chelsea Proving Grounds in Washtenaw County that it hasn't been easy to make ...