Is China VI the Same as China 6?

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China VI is China 6. Below is information related to emission standards: 1. The China 6 standard is implemented in two phases: Starting from July 1, 2020, all light-duty vehicles sold and registered must meet the "China 6a" limit requirements; Starting from July 1, 2023, all light-duty vehicles sold and registered must meet the "China 6b" limit requirements. 2. Additional information on Roman numerals: Roman numerals are a numeral system used in Europe before the introduction of Arabic numerals (actually Indian numerals), and are now less commonly used. Their origin is later than the numerals in Chinese oracle bone script and even later than the decimal numerals of the Egyptians. Roman numerals have the following seven basic symbols: I (1), V (5), X (10), L (50), C (100), D (500), M (1000). Roman numerals differ in meaning from decimal digits; they have no symbol for zero and are unrelated to positional notation. Drawing a horizontal line above a numeral increases its value by 1000 times.