### Question
What does clean-fuel vehicle mean?


### Answer
**Clean-fuel vehicle** has the following meaning in *42 U.S.C. § 7581*:

> a vehicle in a class or category of vehicles which has been certified to meet for any model year the clean-fuel vehicle standards applicable under this part for that model year to clean-fuel vehicles in that class or category

#### Citation:
  - *42 U.S.C. § 7581*
  - Heading: **CHAPTER 83-ENERGY EXTENSION SERVICE > SUBCHAPTER II-EMISSION STANDARDS FOR MOVING SOURCES > Part C-Clean Fuel Vehicles**

