### Question
What does engineered mean?


### Answer
**Engineered** has the following meaning in *42 U.S.C. § 17191*:

> subjected to intervention, including intervention to address one or more of the following issues:


(A) Lack of effective permeability or porosity or open fracture connectivity within the reservoir

#### Citation:
  - *42 U.S.C. § 17191*
  - Heading: **CHAPTER 152-ENERGY INDEPENDENCE AND SECURITY > SUBCHAPTER V-ACCELERATED RESEARCH AND DEVELOPMENT > Part B-Geothermal Energy**

