What does a yellow license plate mean?

[DelCamila]

Yellow license plates refer to large vehicles, such as two-wheeled motorcycles, three-wheeled motorcycles, large buses, vehicles used for agricultural purposes, trucks with a load capacity of over 1.0 tons, and also include vans with 10 or more seats. Driving a yellow-plated vehicle requires a Class B license or above and an operating permit. Large civilian vehicle license plates have yellow backgrounds with black characters, while small civilian vehicle license plates have blue backgrounds with white characters. Notes regarding yellow-plated vehicles: 1. For heavy and medium-duty trucks and semi-trailers carrying cargo, the height from the ground must not exceed 4 meters, and for vehicles carrying containers, it must not exceed 4.2 meters; 2. For other motor vehicles carrying cargo, the height from the ground must not exceed 2.5 meters.