### Question
How is the term biodiesel defined?


### Answer
The term **biodiesel** is defined in *42 U.S.C. § 7545* as the following:

> provided by section 13220(f) of this title.

#### Citation:
  - *42 U.S.C. § 7545*
  - Heading: **CHAPTER 85-AIR POLLUTION PREVENTION AND CONTROL > SUBCHAPTER II-EMISSION STANDARDS FOR MOVING SOURCES > Part A-Motor Vehicle Emission and Fuel Standards**

