2016
$30M
from 12 investors over 12 rounds
ClearFlame Engines raised $30M on March 9, 2023
Investors: Rio Tinto, WIND Ventures, Mercuria Energy Trading S.A. and Breakthrough Energy Ventures
ClearFlame Engines raised $17M on October 28, 2021
Investors: Mercuria Energy Trading S.A., Breakthrough Energy Ventures and Clean Energy Ventures
ClearFlame Engines raised $3M on April 21, 2020
Investors: Clean Energy Venture Group and Clean Energy Ventures
ClearFlame Engines raised undisclosed on April 2, 2020
Investors: IrishAngels
ClearFlame Engines raised undisclosed on January 31, 2020
Investors: Sand Hill Angels and Ag Startup Engine