### Question
What does clean school bus mean?


### Answer
**Clean school bus** has the following meaning in *42 U.S.C. § 16091a*:

> a school bus with a gross vehicle weight of greater than 14,000 pounds that—


(A) is powered by a heavy duty engine

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

