COWBOY CLEAN FUELS, LLC
Greenwood Village, US · Founded 2022 · Delaware LLC · 1 known investors
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Cowboy Clean Fuels produces carbon-negative renewable natural gas and durable carbon removal credits using a patented biogenic process that injects biomass into idle coalbed methane infrastructure in the Powder River Basin. The company, spun out of University of Wyoming research, sells RNG and carbon dioxide removal (CDR) credits to buyers.
Founders & leadership
COWBOY CLEAN FUELS, LLC was founded in 2022 by Michael Urynowicz.

Board
Investors · 1
Reported raises · per SEC filings
Form D private placements$30.4M disclosed across 7 rounds · 2022–2025
▶$6MraisedApr 2026 · 38 investors · Other EnergyRule 506(b)
- Preston AndersonDirector
- David KailbourneDirector
- Ryan WaddingtonDirector
- Susan Vick DingesDirector
- Offering amount
- $6M
- Amount sold
- $6M
- Minimum investment
- $3K
- Proceeds to insiders
- $686.1K
- First sale
- Jul 2025
- Incorporated
- Limited Liability Company, Delaware
- Federal exemptions
- 06b
▶$13.2MraisedJul 2024 · 37 investors · Other EnergyRule 506(b)
- MICHAEL URYNOWICZDirector
- RYAN WADDINGTONExecutive Officer, Director
- SUSAN VICK DINGESDirector
- Offering amount
- $14.2M
- Amount sold
- $13.2M
- Minimum investment
- $50K
- Proceeds to insiders
- $650K
- First sale
- May 2024
- Incorporated
- Limited Liability Company, Delaware, 2022
- Federal exemptions
- 06b
▶$3.7MraisedDec 2023 · 1 investors · Other EnergyRule 506(b)
- MICHAEL URYNOWICZDirector
- RYAN WADDINGTONExecutive Officer, Director
- MARY SUSAN VICKDirector
- Offering amount
- $3.7M
- Amount sold
- $3.7M
- Minimum investment
- $2M
- First sale
- Dec 2023
- Incorporated
- Limited Liability Company, Delaware, 2022
- Federal exemptions
- 06b
▶$3.8MraisedMar 2023 · 2 investors · Other EnergyRule 506(b)
- RYAN WADDINGTONExecutive Officer, Director
- MARY SUSAN VICKDirector
- MICHAEL URYNOWICZExecutive Officer, Director
- Offering amount
- $3.8M
- Amount sold
- $3.8M
- Sales commissions
- $625K
- Placement agents
- MARY SUSAN VICK
- First sale
- Dec 2022
- Incorporated
- Limited Liability Company, Delaware, 2022
- Federal exemptions
- 06b
▶$1.3MraisedNov 2022 · 1 investors · Other EnergyRule 506(b)
- MICHAEL URYNOWICZExecutive Officer, Director
- RYAN WADDINGTONExecutive Officer, Director
- Offering amount
- $1.3M
- Amount sold
- $1.3M
- Proceeds to insiders
- $200K
- First sale
- Nov 2022
- Incorporated
- Limited Liability Company, Wyoming, 2020
- Federal exemptions
- 06b
▶$1.7MraisedSep 2022 · 16 investors · Other EnergyRule 506(b)
- RYAN WADDINGTONDirector
- MICHAEL URYNOWICZDirector
- Offering amount
- $2M
- Amount sold
- $1.7M
- Minimum investment
- $10K
- First sale
- Sep 2022
- Incorporated
- Limited Liability Company, Wyoming, 2020
- Federal exemptions
- 06b
▶$805KraisedFeb 2022 · 9 investors · Other EnergyRule 506(b)
- MICHAEL URYNOWICZDirector
- RYAN WADDINGTONDirector
- Offering amount
- $850K
- Amount sold
- $805K
- Minimum investment
- $10K
- First sale
- Jan 2022
- Incorporated
- Limited Liability Company, Wyoming, 2020
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
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Frequently asked questions
- What does COWBOY CLEAN FUELS, LLC do?
- Cowboy Clean Fuels produces carbon-negative renewable natural gas and durable carbon removal credits using a patented biogenic process that injects biomass into idle coalbed methane infrastructure in the Powder River Basin. The company, spun out of University of Wyoming research, sells RNG and carbon dioxide removal (CDR) credits to buyers.
- Who founded COWBOY CLEAN FUELS, LLC?
- COWBOY CLEAN FUELS, LLC was founded by Michael Urynowicz in 2022.
- Who are COWBOY CLEAN FUELS, LLC's investors?
- COWBOY CLEAN FUELS, LLC's investors include CCF MANAGEMENT BRIDGE 2023.
- How much funding has COWBOY CLEAN FUELS, LLC raised?
- COWBOY CLEAN FUELS, LLC has disclosed $30.4M raised across 7 rounds.
- Where is COWBOY CLEAN FUELS, LLC headquartered?
- COWBOY CLEAN FUELS, LLC is headquartered in Greenwood Village, US.



