A1 Auto Repair, is STAR certified smog check center & full-service auto repair: offering all types of DMV required smog tests which include the Biennial smog check, smog check test, out of state, vehicle registration smog test, diesel smog check, regular smog check, registration renewal smog check, gross polluter certification, change of ownership smog test, vehicle smog check. We offer free electronic smog certificate transfer to DMV that is included in our smog check coupon.