### Question
What does zero-emission school bus mean?


### Answer
**Zero-emission school bus** has the following meaning in *42 U.S.C. § 16091*:

> a school bus that is certified by the Administrator to have a drivetrain that produces, under any possible operational mode or condition, zero exhaust emission of—


(A) any air pollutant that is listed pursuant to section 7408(a) of this title (or any precursor to such an air pollutant)

#### Citation:
  - *42 U.S.C. § 16091*
  - Heading: **CHAPTER 149-NATIONAL ENERGY POLICY AND PROGRAMS > SUBCHAPTER VII-VEHICLES AND FUELS > Part C-Clean School Buses**

