Toyota said it will expand the Arizona Proving Grounds and invest more than $50 million to enhance vehicle testing at the ...

Thirty years after setting up shop in Arizona, Toyota is spending millions to improve its auto proving grounds facility.

Toyota says its adding more car testing and development capabilities to its Arizona Proving Grounds site in Wittman.

Toyota says its adding more car testing and development capabilities to its Arizona Proving Grounds site in Wittman.

American Southwest, Toyota Motor North America announced a $50 million investment to expand and enhance its sprawling Arizona ...

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