V12 engine for the postwar market in Europe, production of V12-engined-cars was very limited until the 1960s. Ferrari has traditionally reserved their top V12 engine for their top-of-the line luxury sports coupes since 1949. Ferrari's closest rival, Lamborghini has also used the V12 configuration for many of its road cars since the company's inception in 1963. In 1972, Jaguar introduced the XJ12, equipped with a 5.3 litre V12, which continued (after revisions in 1993) until the 1996 model year, after which the marque discontinued the twelve-cylinder engine. BMW returned to V12 designs for its 7 Series sedan in model year 1986, forcing
Who Killed the Electric Car? quo. The film corroborates the claim that hydrogen vehicles are a mere distraction by stating that "A fuel cell car powered by hydrogen made with electricity uses three to four times more energy than a car powered by batteries" and by interviewing Joseph J. Romm, the author of "The Hype about Hydrogen", who lists five problems he sees with hydrogen vehicles: High cost, limits on driving range due to current materials, high costs of hydrogen fuel, the need for entirely new fueling compounds, and competition from other technologies in the marketplace, such as hybrids. The price of Hydrogen has since