Final answer:
All school buses, buses, taxis, and other vehicles hauling passengers for hire or lease must carry a chemical type fire extinguisher as required by the Department of Transportation.
Step-by-step explanation:
In the United States, all school buses, buses, taxis, and other vehicles hauling passengers for hire or lease are required to carry a chemical type fire extinguisher. It is mandated that these fire extinguishers meet certain specifications. According to the Department of Transportation hazardous materials regulations, these fire extinguishers must be of at least a certain size or weight.
For more specific information on the size requirements of the fire extinguishers, you can refer to the United States Department of Transportation's hazardous materials regulations and the Environmental Protection Agency's hazardous waste regulations.