DETROIT - Beneath your car's hood, there are belts hooked to the engine, running the power steering, air conditioning and other items that drag on the engine and cut gas mileage. But as fuel efficiency becomes paramount with high gas prices and pending government regulations, automakers across the world are trying to get rid of as many belts as they can, switching them to electric motors. The power steering pump is likely to be the first casualty. Toyota Motor Corp., General Motors Corp., Ford Motor Co. already have electric power steering on some models, with more in the works, and...