40 CFR § 1090.165 - Retailers and WPCs.

---
identifier: "/us/cfr/t40/s1090.165"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 1090.165 - Retailers and WPCs."
title_number: 40
title_name: "Protection of Environment"
section_number: "1090.165"
section_name: "Retailers and WPCs."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "U"
subchapter_name: "AIR POLLUTION CONTROLS"
part_number: "1090"
part_name: "REGULATION OF FUELS, FUEL ADDITIVES, AND REGULATED BLENDSTOCKS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7414, 7521, 7522-7525, 7541, 7542, 7543, 7545, 7547, 7550, and 7601."
regulatory_source: "85 FR 78469, Dec. 4, 2020, unless otherwise noted."
cfr_part: "1090"
---


# 1090.165 Retailers and WPCs.

A retailer or WPC must comply with the requirements of this section.

(a) *Gasoline and diesel fuel standards.* A retailer or WPC must comply with the applicable requirements of subparts C and D of this part.

(b) *Labeling.* A retailer or WPC that dispenses fuels requiring a label under this part must display fuel labels under subpart P of this part.

(c) *Fuels produced through fuel dispensers.* A retailer or WPC that produces gasoline (*e.g.,* E15) through a fuel dispenser with anything other than PCG and DFE is also a blending manufacturer and must comply with the applicable requirements in § 1090.105.

[85 FR 78469, Dec. 4, 2020, as amended at 90 FR 4344, Jan. 15, 2025]