Which of the following is NOT an example of a vehicle that requires a CDL?

Farm vehicles used in agricultural settings are indeed generally exempt from requiring a Commercial Driver's License (CDL) when they are being used within specific regulations. The intention behind this exemption is to support the agricultural sector, allowing farmers to transport goods and operate large farm machinery without the same licensing requirements as commercial vehicles. These vehicles are often utilized for direct farm-related work, and regulations allow farmers and farm workers to operate them without the burden of CDL requirements, as long as they adhere to certain limitations regarding distance and cargo.

In contrast, long-haul trucks, firefighting vehicles, and emergency response vehicles are designed for commercial operations or emergency services and typically require a CDL because they meet criteria related to weight, size, and operational capacity. Thus, these vehicles are more integral to commercial and emergency operations, necessitating the stricter licensing standards of a CDL.