License plate query

1. In China's license plate planning, A stands for provincial capitals, while B represents the second-largest city or a historic city in the province.

2. Traditional license plate: 1st character is the abbreviation of the province (in Chinese characters), 2nd character is the issuing authority code (A-Z letters), 3rd to 7th characters are serial numbers (consisting of letters or digits, excluding I and O to avoid confusion with 1 and 0), the last character may be one of the following Chinese characters: "挂学警港澳领".

3. New energy plate: The first and second characters are the same as traditional plates, and the third to eighth characters are serial numbers (one more than traditional plates). The serial number rules for new energy plates are as follows:

• Small car: The 1st position can only be letter D or F, the 2nd can be a number or letter, and the 3rd to 6th must be numbers.
• Large vehicle: Positions 1-5 must be numbers, position 6 can only be letter D or F.

4. Among the 31 provinces in China, 22 have canceled or announced the cancellation of "O" plates, 5 have turned them into police-only or converted them to civilian use, and 4 have not canceled or changed them.