### Question
How does the law define odd-even fuel purchase plan?


### Answer
Under *42 U.S.C. § 8522*, **odd-even fuel purchase plan** is defined as:

> any motor fuel sales restriction under which a person may purchase motor fuel for use in any vehicle only on days (or other periods of time) determined on the basis of a number or letter appearing on the license plate of that vehicle (or on any similar basis)

#### Citation:
  - *42 U.S.C. § 8522*
  - Heading: **CHAPTER 93-EMERGENCY ENERGY CONSERVATION > SUBCHAPTER II-OTHER AUTOMOBILE FUEL PURCHASE MEASURES**

