MY VEHICLE WAS STRUCK IN THE FRONT BY ANOTHER VEHICLE AS I WAS CROSSING A FOUR LANE HIGHTWAY. OTHER VEHICLE WAS RUNNING 65 MPH. MY SEAT BELT LOCKED, BUT NONE OF THE FRONT OR SIDE CURTAIN AIR BAGS DEPLOYED. I SUFFERED A MILD CONCUSSION AS A RESULT OF MY HEAD STRIKING THE DRIVER'S SIDE WINDOW. IMMEDIATELY AFTER THE WRECK, ONE COULD SMELL THE INFLATORS RELEASING VAPOR, BUT NO DEPLOYMENT OF THE BAGS OCCURRED. VEHICLE WAS A TOTAL LOSS DUE TO STRUCTURAL DAMAGE.