### Question
How does the law define alternative fuel?


### Answer
Under *26 U.S.C. § 30B*, **alternative fuel** is defined as:

> compressed natural gas, liquefied natural gas, liquefied petroleum gas, hydrogen, and any liquid at least 85 percent of the volume of which consists of methanol

#### Citation:
  - *26 U.S.C. § 30B*
  - Heading: **Subtitle A-Income Taxes > CHAPTER 1-NORMAL TAXES AND SURTAXES > Subchapter A-Determination of Tax Liability > PART IV-CREDITS AGAINST TAX > Subpart B-Other Credits**

