26 CFR · Internal Revenue

§ 48.4041-21 — Compressed natural gas (CNG).

eCFR · current through Sep 8, 2026

§ 48.4041-21 Compressed natural gas (CNG).

(a)Delivery of CNG into the fuel supply tank of a motor vehicle or motorboat—
(1)Imposition of tax. Tax is imposed on the delivery of compressed natural gas (CNG) into the fuel supply tank of the propulsion engine of a motor vehicle or motorboat unless tax was previously imposed on the CNG under paragraph (b) of this section.
(2)Liability for tax. If the delivery of the CNG is in connection with a sale, the seller of the CNG is liable for the tax imposed under paragraph (a)(1) of this section. If the delivery of the CNG is not in connection with a sale, the operator of the motor vehicle or motorboat, as the case may be, is liable for the tax imposed under paragraph (a)(1) of this section.
(b)Bulk sales of CNG—
(1)In general. Tax is imposed on

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26 C.F.R. § 48.4041-21 (Compressed natural gas (CNG).) — published by Counsel Stack Legal Research, free access to 12M+ legal documents.

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