Utah – All vehicles registered in Davis, Salt Lake, Utah and Weber counties with design several years lower than 6 yrs previous are necessary to have an emission examination after each and every two years and Vehicles with model a long time 6 yrs previous and more mature (to 1967) https://motorvehicleinspection78890.dsiblogger.com/59975962/an-unbiased-view-of-vehicle-inspection