1. Combustion emissions, internal combustion engines and greenhouse gases 2. Soot Research: Relevance and Priorities by Mid-Century 3. Natural Gas for Combustion Systems 4. Sustainable bio-oxygenate fuels 5. A comprehensive perspective on a promising fuel for thermal engines: syngas and its surrogates 6. Hydrogen, The Zero Carbon Fuel 7. Ammonia as an alternative 8. Small alcohols as low carbon fuels 9. Fischer-Tropsch and other synthesized hydrocarbon fuels 10. Low temperature combustion 11. Supercritical CO2 Fluid Combustion 12. Catalytic combustion for cleaner burning 13. Advances in Chemical Looping Combustion Technology 14. Chemistry diagnostics for monitoring 15. High-pressure spectroscopy and sensors for combustion 16. Bio-derived sustainable aviation fuels - On the verge of powering our future 17. Using Combustion Synthesis to Convert Emissions into Useful Materials