The Electro-Motive Division (EMD) is a subsidiary of General Motors that specializes in manufacturing diesel-electric locomotives. Founded in 1922, EMD became a leading producer of locomotives in North America, known for its innovative designs and reliable engines. The division played a significant role in the development of modern rail transportation. EMD's locomotives are widely used by various railroads, including freight and passenger services. The company has produced iconic models such as the F-unit and the SD-series, which are recognized for their performance and efficiency. EMD continues to influence the rail industry with advancements in technology and sustainability.