China already gets the equivalent of 35.8 miles a gallon this year based on the American measurement system of corporate averages and will be required to get 42.2 miles a gallon in 2015.
China sets minimum standards for each of 16 weight categories and tests only urban fuel economy, not highway driving.
The current fuel-economy standards ban the production of any vehicle in China that does not meet the minimum requirement for its vehicle weight range. But imports are exempt