### Question
How is the term Vehicles defined?


### Answer
The term **Vehicles** is defined in *40 CFR § 86.1* as the following:

> light-duty vehicles and light light-duty trucks sold in the NTR, but excludes vehicles sold by a manufacturer that has opted out of the National LEV program pursuant to the provisions of § 86.1705, pending final judicial resolution of the opt-out petition: Number of noncomplying manufacturer's Vehicles not covered by a certificate = ((Total number of Vehicles exceeding five-percent cap) × ((number of the noncomplying manufacturer's Tier 1 Vehicles and TLEVs sold in the NTR in excess of five percent of its Vehicle sales in the NTR) / (Sum of the numbers of each noncomplying manufacturer's Tier 1 Vehicles and TLEVs sold in the NTR in excess of five percent of its Vehicle sales in the NTR)))

#### Citation:
  - *40 CFR § 86.1*
  - Heading: **PART 86—CONTROL OF AIR POLLUTION FROM NEW AND IN-USE MOTOR VEHICLES AND NEW AND IN-USE MOTOR VEHICLE ENGINES: CERTIFICATION AND TEST PROCEDURES > Subpart AA—Reporting and Recordkeeping Requirements for Part 86 > SUBCHAPTER C—AIR PROGRAMS—(Continued) > SUBCHAPTER C—AIR PROGRAMS—(Continued)**

