### Question
What does greenhouse gas intensity mean?


### Answer
**Greenhouse gas intensity** has the following meaning in *42 U.S.C. § 13389*:

> the ratio of greenhouse gas emissions to economic output

#### Citation:
  - *42 U.S.C. § 13389*
  - Heading: **CHAPTER 134-ENERGY POLICY > SUBCHAPTER VII-GLOBAL CLIMATE CHANGE**

