### Question
What does RD&D mean?


### Answer
**RD&D** has the following meaning in *42 U.S.C. § 16183*:

> research, development, and demonstration

#### Citation:
  - *42 U.S.C. § 16183*
  - Heading: **CHAPTER 149-NATIONAL ENERGY POLICY AND PROGRAMS > SUBCHAPTER IX-RESEARCH AND DEVELOPMENT**

