### Question
How does ENERGY INDEPENDENCE AND SECURITY define biodiesel?


### Answer
Under *42 U.S.C. § 17021*, **biodiesel** is defined as:

> the monoalkyl esters of long chain fatty acids derived from plant or animal matter that meet—


(A) the registration requirements for fuels and fuel additives under this section

#### Citation:
  - *42 U.S.C. § 17021*
  - Heading: **CHAPTER 152-ENERGY INDEPENDENCE AND SECURITY > SUBCHAPTER II-ENERGY SECURITY THROUGH INCREASED PRODUCTION OF BIOFUELS > Part A-Renewable Fuel Standard**

