Autos, commonly known as cars, are motor vehicles designed for transporting passengers. They typically have four wheels and are powered by internal combustion engines or electric motors. Autos come in various shapes and sizes, including sedans, SUVs, and trucks, catering to different needs and preferences. The invention of the automobile revolutionized transportation, making it easier for people to travel long distances. Key components of an auto include the engine, transmission, and wheels. Major manufacturers like Toyota, Ford, and Volkswagen produce millions of vehicles each year, contributing significantly to the global economy.