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Raising the efficiency of engines in passenger vehicles and heavy-duty trucks has the company focused on the creation of an automotive technology portfolio with the power to substantially reduce the CO2 footprint of internal combustion engines (ICE), a significant source of emissions.
Prior to the start of this year's Society of Automotive Engineers (SAE) World Congress, Aramco participated in the High-Efficiency Internal Combustion Engine (ICE) Symposium. Further development of high-efficiency engines utilizing widely available fuels is an attractive option to reduce emissions faster and affordably.
Mark Sellnau, principal engineer, Aramco Research Center-Detroit, spoke during the session “Low Temperature Combustion” and reported on progress toward commercialization of light-duty gasoline compression ignition (GCI) engines. “There has been significant progress developing robust and practical low-temperature combustion solutions, but there is critical work needed in the short term,” explained Sellnau.
Mark Sellnau, SAE Fellow and principal engineer, Aramco Research Center-Detroit, highlights test results on engine fuel efficiency from gasoline compression ignition and early work combining GCI with a mild hybrid system.
Combining GCI With Mild Hybrid System
In his presentation, “Pathway to 50% Brake Thermal Efficiency: Gasoline Compression Ignition” and technical paper (SAE-2019 01 1154) he showed test results on an engine with fuel efficiency over 43% with ultra-low emissions of NOx and particulate emissions. Sellnau also explained current Aramco research combining GCI technology with a mild hybrid system to achieve near 48% fuel efficiency. Early vehicle simulation results from Argonne National Labs indicate fuel economy improvements of greater than 70% when a GCI engine was paired with a 48V mild hybrid system.
An SAE Fellow and member of the society's Powertrain Committee since 1996, he emphasized, the practicality of GCI engines, as evidenced by Aramco collaboration on GCI with OEMs in the US and Europe.
Workshops like this keep Aramco in close contact with the auto industry allowing us to provide our unique perspective of engines and fuels working in a holistic way for greater fuel economy with significantly lower emissions.
Aramco served as a sponsor for the two-day symposium attended by over 175 product design engineers, executives, suppliers, researchers and government focused on refinement and efficiency of internal combustion engines.
Global Fuels Network
Aramco's global fuels research network includes: the Research & Development Center in Dhahran, the Aramco Research Center-Detroit, the Aramco Fuel Research Center-Paris and the Beijing Research Center along with work through the FUELCOM collaboration with the King Abdullah University of Science and Technology (KAUST) all contributors to SAE's full conference technical program.
This year at SAE, Aramco presented in sessions, Multi-Dimensional Engine Modeling, Particle Emissions from Combustion Sources, Fuel and Additive Effects on Engine Systems, Partially Premixed Compression Ignition, and Advanced Fuel Injection and Sprays.
Support for STEM Education
Aramco extended its commitment to SAE this year by becoming a national partner in the SAE Foundation's “A World In Motion” program designed to promote science, technology, engineering and math (STEM) education with young students, grades K-8. Up to 3,000 students in the communities where Aramco Services Company operates, Houston, TX; Detroit MI; New York City, NY; and Washington D.C., will have the opportunity to engage with hand-on learning activities.