### Question
What does fuel cell mean?


### Answer
**Fuel cell** has the following meaning in *42 U.S.C. § 16152*:

> a device that directly converts the chemical energy of a fuel, which is supplied from an external source, and an oxidant into electricity by electrochemical processes occurring at separate electrodes in the device

#### Citation:
  - *42 U.S.C. § 16152*
  - Heading: **CHAPTER 149-ENERGY POLICY, 2005 > SUBCHAPTER VIII-HYDROGEN**

