The NHOST Program tests emissions by checking the operation of a vehicle’s on-board diagnostic system (OBD) using authorized testing equipment at DMV-licensed inspection stations. The equipment includes a new computerized system which steps the mechanics through the testing procedure and transmits the result to a centralized database. Safety inspection information is also collected at the same time. This automation makes the process of gathering and monitoring inspection information quicker, easier and more efficient for the state.
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