### Question
What is the definition of qualified emission reduction?


### Answer
The definition of **qualified emission reduction** is as follows in *26 U.S.C. § 45*:

> a reduction of at least 20 percent of the emissions of nitrogen oxide and either sulfur dioxide or mercury released when burning the refined coal (excluding any dilution caused by materials combined or added during the production process), as compared to the emissions released when burning the feedstock coal or comparable coal predominantly available in the marketplace as of January 1, 2003

#### Citation:
  - *26 U.S.C. § 45*
  - Heading: **Subtitle A-Income Taxes > CHAPTER 1-NORMAL TAXES AND SURTAXES > Subchapter A-Determination of Tax Liability > PART IV-CREDITS AGAINST TAX > Subpart D-Business Related Credits**

