Mr Smog Check and Registration Services We are a STAR Smog check test only certified station. We are licensed by California to certify any vehicle that requires smog check certification. DMV Smog Checks, Diesel, DMV Renewal Smog Test, Hybrid, Out of State Smog Check, Regular Smog Inspection,Test Only Smog Center and smog check coupon. We are also authorized to certify gross polluters, out of state vehicles, bi-annual change of ownership, R.V.s, heavy duty vehicles, and all other vehicles directed to a smog check test only station. We invite you to read over our website and visit us on your next smog inspection. *No adjustments or repairs sold