Powering the Future: The role for Internal Combustion Engines in a Reduced Carbon World

By: Engine Technology Forum via GlobeNewswire

July 29, 2024 at 06:16 AM EDT

Washington, D.C., July 29, 2024 (GLOBE NEWSWIRE) -- Internal combustion engines (ICE) are the standard, and typically the only, power option in hundreds of applications serving every corner of the globe. The magnitude of the global reliance on ICEs and the extraordinary challenges of transitioning to different energy systems strongly suggests a continued role for ICE many decades into the future, even as new fuels and technologies emerge, according to the Engine Technology Forum’s (ETF) new white paper. It’s titled Powering On: Internal Combustion Engines & the Clean Energy Future.

“Our global economy relies almost solely on internal combustion engines for all of its power and mobility needs. All decarbonization technologies that are being implemented, or considered, face various limits and barriers. ICEs are uniquely positioned for the future leveraging today’s fossil-fuel based economy and adapting to tomorrow’s more sustainable one that relies on renewable fuels and dramatically reduced carbon,” says ETF’s Executive Director Allen Schaeffer.

ICEs will continue to thrive and dominate most sectors of the economy for decades to come for three reasons:

Near sole reliance on ICE and its supporting infrastructure across wide sectors of the global economy for which there is no suitable alternative
Continuous improvements in efficiency and lower emissions, as well as significant opportunities for using lower carbon fuels that position it to compete with emerging alternatives
Delays and uncertainties due to funding support, infrastructure, market acceptance, as well as many other factors inherent in introducing new fuels and energy systems.

“We will need an increasingly diversified energy and technology portfolio that embraces advanced internal combustion engines with a greater reliance on low-carbon renewable liquid and gaseous fuels and hydrogen,” says Schaeffer.

ICEs are expected not only to have staying power in the marketplace, but growth for another decade or more. Various market forecasts predict combined annual growth rates for ICE to as much as 9% from 2023-2030. Though increasingly stringent future standards are designed to accelerate the introduction of zero emissions vehicles, it is still projected that ICE technology will power one third to one-half of the new vehicle fleet in 2032. For the largest commercial vehicles, ICE technology is predicted to be the power source for 75% of the new vehicles. The staying power of advanced ICE is even more pronounced in heavy-duty off-road applications in agriculture, construction, marine, rail and power generation.

Schaeffer says, “The path to the future for ICEs is well underway. It involves building on past progress to meet new emissions and fuel efficiency requirements and a considerable increase in the use of low-carbon renewable fuels like renewable gasoline, renewable diesel, renewable natural gas, biodiesel, hydrogen as well as e-fuels now under development.”

“There is no single best solution to reduce carbon emissions in all sectors, which is why we must embrace all steps toward reducing carbon; internal combustion engines are clearly part of the solution. For many sectors and applications, the immediate switch to lower carbon renewable fuels will deliver significant greenhouse gas and other emissions reductions faster than the time it will take for a fully renewable electric power sector to emerge and realize electrification of the transport sector at meaningful scale,” says Schaeffer.

The market and demand for renewable biobased fuels for both spark ignited, and compression ignition, ICE amount to about 5% of the total U.S. transportation sector energy consumption. And it is growing. The drop-in replacement nature and variable blend capabilities of renewable fuels increases their utility in delivering near term GHG reductions across the entire fleet of existing and new ICE.

The paper provides a comprehensive look at this critical technology, how it is evolving, and how it competes with emerging alternatives. The major challenges for ICE are discussed, all electric and fuel cell alternatives are identified, and technical, policy, and market issues are explored.

Powering On: Internal Combustion Engines & the Clean Energy Future was commissioned by the Engine Technology Forum and prepared by ECOpoint, Inc.; Ontario, Canada; Addy Majewski principal author.

You can view and download the white paper through the ETF website at https://enginetechforum.org/internal-combustion-engine-primer.

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About the Engine Technology Forum

Founded on the principles of fact-based education, science, outreach and collaboration, the Engine Technology Forum is dedicated to promoting a greater understanding of the benefits of advanced internal combustion engines and the fuels that they use and how these contribute to a sustainable future. Please join us. We also invite you to connect with us LinkedIn, X, Facebook, Instagram, and YouTube. Sign up for our digital newsletter, too.

About ECOpoint, Inc.

ECOpoint, Inc. is an engineering consultancy in Mississauga, Ontario, Canada specializing in technologies for emission control from internal combustion engines. ECOpoint, Inc. consultants are engineers with a background in mechanical or chemical engineering, with years of experience in engine, fuels, and emission technologies.

Jessica Puchala
Engine Technology Forum
(202) 480-6441
jpuchala@enginetechforum.org

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