Sustainable Aviation Fuel Research

The aviation industry is researching sustainable aviation fuels (SAF) to lower global carbon emissions. SAF feedstocks can be sourced from renewable biomass, carbon dioxide and other waste materials. Typically refined in small batches using a variety of processes, SAF is blended with traditional jet fuel for use with existing aircraft engines.

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SwRI's Sustainable Aviation Fuel graphic

Testing novel SAF is critical to ensure fuel quality and safety as the industry looks to commercialize sustainable aviation fuel research. Southwest Research Institute (SwRI) is proud to support SAF research and technology development, leveraging the Institute’s decades of expertise in aircraft engineering, fuels production process development, emissions science and fuels testing.

SAF Research & Technology Services

SwRI offers multidisciplinary expertise in SAF production and characterization of fuel properties as well as engine performance, emissions, quality and safety. We can help you with a fully integrated SAF R&D program or provide independent testing and evaluation services. Services include, among other capabilities:

Chemical Engineering

Mechanical Engineering

Internal Combustion

Fuels & Lubricants

Alternative Fuels
Process Engineering Fuels Distillation
Pilot Plant Design

Machinery Engineering 
Turbine Combustion

Powertrain Engineering
Emissions Research 
Particle Science

Alternative Fuels 
Aviation Fuel Filtration
Fuels Research & Testing
Material Compatibility

  • SAF production scale up and process development
  • Pilot plant design and operations
  • Jet engine fuel testing
  • Fuel testing in sector combustors
  • Engine performance and emissions measurements
  • ISO 17025 calibration
  • ICAO compliance
  • Characterization of gaseous and particle emissions from combustion sources
  • FFP evaluations
  • ASTM D4054
  • ASTM D7566
  • ASTM D1655
  • MIL-DTL-83133
  • DEF STAN 91-091
  • Engines, fuel pumps, gensets, filtration

Contact Hsiang Yee Hoekstra
+ 1 210 522 3448

Contact Francesco Di Sabatino
+1 210 522-2477

Contact Imad Khalek
+1 210 522 2536

Contact Scott Hutzler
+ 1 210 522 6978

SAF Production Process Development

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SwRI staff member holding up two vials of distillation of alternative fuels

Small-batch distillation of alternative fuels for R&D.

Experienced in all stages of chemical process development, SwRI’s Chemical Engineering Department is an industry leader in developing chemical process technologies to research and produce SAF in our laboratories. SwRI can support clients with the development of lab- and pilot-scale systems to validate new refined products in small batches, and we also help clients scale their operations. SwRI can support clients with the production of drum quantities of various fuels to meet fuel specifications for EPA certification tests.

SAF Testing & Evaluation

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SwRI staff member working with aviation fuel filtration system

Aviation fuel filtration testing at SwRI.

SwRI has tested and evaluated alternative fuels for over 25 years with a focus on SAF “blend stock” components defined in ASTM D7566. Our Fuels & Lubricants Technology team serves in various capacities such as vice chair of the ASTM Aviation Fuel Subcommittee, which leads the effort to maintain and improve ASTM D1655 and coordinating the meetings of the FAA/OEM Review Panel. The primary job of the FAA funded team is evaluating SAFs and establishing OEM consensus on their suitability for use.

Engine Performance & Emissions Testing

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Turbofan jet engine test stand

Turbofan jet engine test stand for SAF research at SwRI.

Get more data insights from SAF research through SwRI’s Advanced Combustion for Power and Propulsion (ACP2) group. We test a wide variety of fuels in our state-of-the-art combustion facility. This facility includes both single sector combustors and a fully operational turbofan jet engine, enabling comprehensive analysis and testing. The valuable data collected from these tests can significantly guide and inform the development of new fuels, especially those aiming to achieve ASTM certification.

  • Advanced Combustion Turbine Research

Particle Science & Characterization

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SwRI staff members working in emissions and particulate testing labe

Emissions and particulate testing lab at SwRI.

SwRI’s Particle Science and Technology (PS&T) team accurately characterizes particulate emissions from multiple combustion sources, including turbine engines. PS&T’s suite of instrumentation allows for measurements of particulates down to 5nm and up to 30μm, providing valuable information on combustion exhaust constituents such as particle number, particle mass concentrations, particle size distribution and statistics. This data is primarily collected in real-time, allowing for detailed, second-by-second analysis.

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Turbofan jet engine test stand at SwRI

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