Car crushing is the process of compacting and flattening vehicles, typically using heavy machinery like a car crusher. This method is often employed in junkyards and recycling facilities to reduce the volume of scrap metal, making it easier to transport and recycle. The crushed cars are then processed for their materials, such as steel, aluminum, and plastic. These materials can be melted down and repurposed for new products, contributing to environmental sustainability by reducing waste and conserving resources.