... The U.S. Motor Vehicle Safety Act mandates many safety features, including seat belts, energy-absorbing steering columns and dashboards, and warning flashers. ... 1973 -The first OPEC oil embargo hits, leading to enactment of the 55- mph national speed limit. Cadillac, Oldsmobile and Ford test-market airbags in select models. ... 1993 - Ford introduces its first global car, the Mondeo. ... aquot;Wea#39;ve been required to become full-service - design through manufacturingaquot; agrees Tindall.