Car companies typically start making cars by first conducting market research to identify the role of their product and its components in the global portfolio. They then define the separation from the automotive industry, including the development of engines, bodies, and other components. The industry's principal products are passenger automobiles and light trucks, including pickups, vans, and sport utility vehicles.
Once the market research is complete, car companies use a combination of techniques and equipment to manufacture the various components of the car, such as the frame, which underpins every vehicle and upon which all other components are positioned. They may use computer-aided design software to design the car and rotate it to view it from any angle. Additionally, they may use computer-aided manufacturing software to manufacture the car's components. Finally, they assemble the car's components to create the final product. The modern method of car design involves using powerful computers and software to design and manufacture cars, and some car companies are now using electric vehicles and trying to change the world by making vehicles that are more environmentally friendly.