Clean, High-Efficiency Engine Solutions
for Heavy Duty Transportation

ClearFlame Engines is a startup company based in Chicago, IL.

The ClearFlame technology enables heavy-duty engine manufacturers to produce engines at lower cost, while simultaneously providing their customers with higher performance and fuel cost savings.

Our Mission

To develop a heavy-duty engine platform that thrives on clean, alternative fuels, simultaneously providing more power at higher efficiency and with lower emissions, while reducing engine manufacturing and refueling costs.

Backed by Research

Our concept is backed by experimental data, grounded in technology developed during our graduate studies in Palo Alto.

Our findings, as well as extensive experience and interactions with large OEMs, has driven us to conduct further research, in hopes to develop and scale our technology. 

Significantly Higher Torque. Lower Emissions.

Using renewable, low-carbon, domestically-sourced fuels, we've developed a patented system to replace the traditional Diesel engine. Our concept has been validated in a laboratory setting, demonstrating 30% higher power output with 100x reduction in soot emissions.

National Laboratory Support

The ClearFlame team relocated to the Chicago area in 2017 as part of the first cohort of the two-year Chain Reaction Innovations program at Argonne National Laboratory.  With $800k in non-dilutive public funding, an experienced team of business mentors, and access to the lab's extensive resources for further prototyping activities, ClearFlame is poised to optimize engine sub-systems and build its first demonstration unit.

According to the New York Times...

New rules require heavy-duty trucks to reduce emissions by 25% over the next decade.

The ClearFlame Engines Team:

Graduates of Stanford University’s Advanced Energy Systems Laboratory

BJ Johnson Headshot

Dr. BJ Johnson, CEO

Ph. D Research (Mechanical Engineering, 2015):  Experimental validation of high performance, low emissions engine operation using low-sooting fuels.

Julie Blumreiter Headshot

Dr. Julie Blumreiter, COO

Ph. D Research (Mechanical Engineering, 2016):  Design, construction of an optical access engine for heavy-duty combustion research.

Hear from the founders

Get in touch with us

Questions? Business opportunities? We'd love to hear from you.