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ATDS Ontario

Tour our facility ⁠— virtually and safely.

Our fully-equipped test facility is conveniently located in Ontario, California, making it within an hour's drive from the mountains, beaches, deserts, Los Angeles, and the California Air Resource Board.

Davis Dam Testing

Get a feel for the all-popular Davis Dam towing test.

The Davis Dam grade on Arizona State Route 68 is a known location for testing how a vehicle behaves while towing a load. We help automakers and researchers obtain valuable data performing this test per SAE J2807 procedures. 

PEMS Testing

Test your emissions. Anywhere.

Portable Emissions Measurement System (PEMS) testing is becoming increasingly relavant in collecting on-road emissions data. Our Ontario location provides convenient access to several environments - urban city, highway, mountains, beaches, and desert climates. We'll also be able to test anywhere your project demands.  

Tell us about your project today!  

Baker's Grade Testing

Check out our custom heavy-duty testing!

The Baker's Grade exists near Baker, California on the Interstate 15. Engineers are familiar with this location, as they are able to perform obtain data regarding thermal loads and vehicle response.

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