What is a motor vehicle?

[DiLeila]

Motor vehicles refer to wheeled vehicles that are driven or towed by a power device, operate on roads, and are used for passenger transportation, goods delivery, or specialized operations. This includes automobiles and automobile trains, motorcycles and mopeds, tractor transport units, wheeled special-purpose machinery vehicles, and trailers, but excludes any vehicles running on tracks. According to national safety inspection standards for motor vehicles, they can be classified into the following types: 1. Large automobiles: Vehicles with a total mass exceeding 4,500 kilograms, a length of 6 meters or more, or seating capacity for 20 or more people. 2. Small automobiles: Vehicles with a total mass of 4,500 kilograms or less, a length under 6 meters, or seating capacity for fewer than 20 people. 3. Special-purpose automobiles: Vehicles equipped with specialized devices for specific uses, such as sweepers, instrument vehicles, postal vehicles, and truck cranes. 4. Special vehicles: Emergency vehicles with special purposes, including fire trucks, ambulances, engineering rescue vehicles, police vehicles, and accident investigation vehicles. 5. Trams: Electrically driven vehicles with current collectors that operate on tracks. 6. Trolleybuses: Electrically driven vehicles with current collectors and equipped with tires or wheels. 7. Battery-powered vehicles: Electrically driven vehicles powered by batteries. 8. Three-wheeled motorcycles: Motor vehicles with three wheels and a total mass under 750 kilograms. 9. Two-wheeled motorcycles: Motor vehicles with two wheels, an engine cylinder capacity of 50 milliliters or more, and a maximum design speed exceeding 50 km/h. 10. Mopeds: Motor vehicles with two wheels, an engine cylinder capacity of 50 milliliters or less, designed for single riders, and a maximum design speed not exceeding 50 km/h. 11. Four-wheeled agricultural transport vehicles: Motor vehicles with four wheels, power not exceeding 28 kilowatts, load capacity not exceeding 1,500 kilograms, and a maximum design speed of 50 km/h or less. 12. Three-wheeled agricultural transport vehicles: Motor vehicles with three wheels, power not exceeding 9 kilowatts, load capacity not exceeding 500 kilograms, and a maximum design speed of 40 km/h or less. 13. Large steering-wheel tractors: Steering-wheel tractors with an engine power of 14.7 kilowatts (20 horsepower) or more. 14. Small steering-wheel tractors: Steering-wheel tractors with an engine power under 14.7 kilowatts. 15. Hand tractors: Wheeled tractors steered by handlebars. 16. Wheeled self-propelled special machinery: Special machinery designed with a speed of 10 km/h or more, equipped with pneumatic tires, and capable of self-propelled operation on roads. 17. Full trailers: Vehicles without their own power, independently load-bearing, and towed by other vehicles. 18. Semi-trailers: Vehicles without their own power, sharing the load with the towing vehicle and towed by it.