How do states use OBD II for emission inspections?

How do states use OBD II for emission inspections?  - Emission inspection readiness - Maintaining your car - Maintenance and specifications - Volvo XC60 Owners Manual - Volvo XC60

Many states connect a computer directly to a vehicle's OBD II system. The inspector can then read "faults." In some states, this type of inspection has replaced the tailpipe emission test.

    See also:

    2012 Volvo XC70 Review
    The Volvo XC70 is the quintessential station wagon, the most "Volvo-like" Volvo on the road today. Having one parked in my driveway takes me back to my childhood — riding to and from ...

    Quality and equipment
    In line with Volvo's commitment to quality and the environment, all interior trim materials conform to the internationally recognised, ecological Oeko-Tex standard, and are emission-free to reduce ...

    Approach lighting
    Approach lighting is activated by pressing the approach light button on the remote key (see the illustration on page 57). When the function has been activated, the parking lights, indicator lights, ...