this would be just the wrong way to go i own two garages and a recovery company so much happens to cars in 12 months from a safety point of view it would be madness, I do not have mot bays but garages that do have mot bays have invested a vast amount of cash in equipment and training to effectively have their revenue cut by 50% is sheer madness, the governments drive to keep roads safe lower emissions reduce carbon foot print this plan would be counter productive in my experience customers only get their cars serviced when they remember they are due an mot