### Question
What is the definition of heavy duty vehicle?


### Answer
The definition of **heavy duty vehicle** is as follows in *42 U.S.C. § 6374*:

> a vehicle of greater than 8,500 pounds gross vehicle weight rating

#### Citation:
  - *42 U.S.C. § 6374*
  - Heading: **CHAPTER 76-AGE DISCRIMINATION IN FEDERALLY ASSISTED PROGRAMS > SUBCHAPTER III-IMPROVING ENERGY EFFICIENCY > Part H-Encouraging Use of Alternative Fuels**

