What do the Huang Ka, blue card, green card and black and white license plate of a car represent respectively?

1, green license plate:

(1) Special number plates for new energy vehicles: black lines on green background, gradient green new energy vehicle number plates, yellow-green large new energy vehicle number plates;

(2) Tractor number plate;

(3) Temporary tractor number plate;

2. Yellow license plate:

(1) Yellow background and black frame line: medium-sized and above passenger cars, trucks and special operation vehicles; Semi-trailer tractor; Trams;

(2) Black line with yellow background: full trailer and semi-trailer without fixed tractor;

(3) Black on yellow background: the word "Xue" is black. Black box line. The coach uses the car.

(four) the black word "Xue" and the black frame line are motorcycles for coaches;

(5) Low-speed trucks, three-wheeled vehicles and wheeled self-propelled vehicles with low-speed license plates and black lines on the yellow background;

(6) Ordinary motorcycle number plate;

3. Blue license plate:

(1) Small car number plate: white lines on a blue background. Medium-sized passenger cars, trucks and special operation vehicles;

(two) the number plate of the moped is a moped with white characters and white lines on a blue background;

4. Black and white license plate:

(1) Number plate of the embassy or consulate: white characters on a black background, red letters "ambassador" and "collar", and white lines. Cars in embassies and consulates in China;

(2) Entry and exit license plates of Hong Kong and Macao: white characters on black background, white characters of "Hong Kong" and "Macao", and white lines. Cars entering and leaving the Mainland from Hong Kong and Macao;

(3) Police car number plate: the word "police" is black and red on a white background. Black box line. Car police car;

(4) Fire-fighting and rescue vehicles: black characters on a white background and red Chinese characters "emergency";

(5) Police motorcycle number plates with black characters on a white background and motorcycle police cars with red "police" characters and black lines;

(6) Temporary driving tractor number plate.

Extended data:

1, the first number of the license plate is Chinese characters: it represents the provincial administrative region where the car is registered and is the abbreviation of each province (municipality directly under the central government and autonomous region). For example, Beijing is Beijing, Shanghai is Shanghai, Hunan is Hunan, Chongqing is Chongqing, Shandong is Shandong, Jiangxi is Jiangxi and Fujian is Fujian;

2. The second place of the license plate is English letters: it represents the prefecture-level administrative region where the vehicle account is located, and it is the code of each letter. The provincial vehicle management office ranks it according to the situation of each prefecture-level administrative region. The letter "A" is the code of the central city of the provincial capital, capital or municipality directly under the central government, and the letters after it are ranked in no particular order. In addition, I and O are skipped when compiling English alphabet codes of prefecture-level administrative regions, and O is often used as police cars or government agencies.

3. There are three coding rules for license plate serial number, namely:

(1) Use Arabic numerals for each digit of the serial number; ?

(2) Each digit of the serial number can use English letters, but not O and I in the 26 English letters; ?

(3) Two English letters are allowed in the serial number, and O and I in 26 English letters cannot be used.

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