Intro about American trucks. American trucks are a popular type of heavy-duty vehicle designed for commercial purposes such as transportation, construction, and agriculture. These trucks are known for their durability, reliability, and versatility, and are used across various industries in the United States. There are several American truck manufacturers, including Peterbilt, Kenworth, Freightliner, Mack, and International. Each manufacturer produces different models of trucks that are designed for specific purposes and applications.  American trucks are typically built with a high-strength steel frame and feature powerful diesel engines that can produce high levels of torque and horsepower. They are also designed to handle heavy loads and are equipped with advanced suspension systems that can absorb shocks and vibrations while on the road.  In addition, many American