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ClearFlame Engines

Geneva, United States

ClearFlame decarbonizes heavy-duty engines while reducing operating costs, to protect the future from the challenge of diesel fuel.

$30.0M raised
Mar 2023
Series B
AutomotiveFuelMachinery ManufacturingManufacturingMechanical Engineering

Top Investors

National Science FoundationBreakthrough Energy VenturesRio TintoClean Energy VenturesJohn Deere

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Frequently Asked Questions about ClearFlame Engines

How much funding has ClearFlame Engines raised?
ClearFlame Engines has raised $30.0M in total funding. The most recent round was Series B. The last funding was announced in March 2023.
Who are ClearFlame Engines's investors?
ClearFlame Engines's investors include National Science Foundation, Breakthrough Energy Ventures, Rio Tinto, Clean Energy Ventures, John Deere.
Where is ClearFlame Engines headquartered?
ClearFlame Engines is headquartered in Geneva, United States.
What does ClearFlame Engines do?
ClearFlame decarbonizes heavy-duty engines while reducing operating costs, to protect the future from the challenge of diesel fuel.
What stage is ClearFlame Engines at?
ClearFlame Engines is at the Series B stage.
Cite this page

Free to use in articles, research, and reference works. Stable URL — will not change. Data on this page last updated .

MLA
"ClearFlame Engines — Funding & Investors." VCBacked, March 9, 2023, https://www.vcbacked.co/company/clearflame-engines. Accessed July 1, 2026.
APA
VCBacked. (2023). ClearFlame Engines — Funding & Investors. Retrieved July 1, 2026, from https://www.vcbacked.co/company/clearflame-engines
Wikipedia (cite web)
{{cite web |title=ClearFlame Engines — Funding & Investors |url=https://www.vcbacked.co/company/clearflame-engines |website=VCBacked |access-date=July 1, 2026}}

Profile data sourced and verified per the VCBacked methodology. Last funding round dated .

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