What does vehicle type M1 mean?

[PeytonLynn]

Vehicle type M1 refers to passenger vehicles with at least 4 wheels, or 3 wheels with a manufacturer's maximum gross weight exceeding 1 ton, and no more than 8 passenger seats in addition to the driver's seat. Below is an introduction to more vehicle types: 1. M2 category vehicles: Passenger vehicles with at least 4 wheels, or 3 wheels with a manufacturer's maximum gross weight not exceeding 5 tons, and more than 8 passenger seats in addition to the driver's seat. 2. M3 category vehicles – Passenger vehicles with at least 4 wheels, or 3 wheels with a manufacturer's maximum gross weight >5 tons. 3. N1 category vehicles – Goods vehicles with at least 4 wheels, or 3 wheels with a manufacturer's maximum gross weight not exceeding 3.5 tons. 4. N2 category vehicles – Goods vehicles with at least 4 wheels, or 3 wheels with a manufacturer's maximum gross weight exceeding 3.5 tons but not exceeding 12 tons. 5. N3 category vehicles – Goods vehicles with at least 4 wheels, or 3 wheels with a manufacturer's maximum gross weight >12 tons.