### Question
Can you define what engineered means?


### Answer
**Engineered** is defined as the following in *42 U.S.C. § 17191*:

> designed to access subsurface heat, including stimulation and nonstimulation technologies to address one or more of the following issues:


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

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

