Form: 10-K

Annual report [Section 13 and 15(d), not S-K Item 405]

February 24, 2026

Documents

Exhibit 21.1

CLEAN ENERGY FUELS CORP. SUBSIDIARIES

as of December 31, 2025

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The following is a list of subsidiaries of Clean Energy Fuels Corp., omitting subsidiaries which, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary as of December 31, 2025:

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Name of Subsidiary 

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State or Province of
Incorporation or
Organization

Clean Energy

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California

Clean Energy Renewable Development, LLC

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Delaware

NG Advantage LLC*

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Delaware

*  Own less than 100%