• Technological innovations of Power-to-X (Power-to-gas, Power-to-liquids, etc.): synthetic fuels, hydrogen, methane, methanol, etc.;
  • Renewable fuels of non-biological origin (RFNBO), Recycled Carbon Fuels (RCF);
  • Bio-Synthetic Natural Gas (Bio-SNG);
  • Algae biofuels production: technology progress and perspectives;
  • Electrofuel production and use;
  • Hydrogen production: thermochemical, electrolytic, photolytic, biological processes;
  • Hydrogen storage systems, novel hydrogen carriers;
  • Hydrogen and fuel cells for stationary and mobile applications;
  • Alternative fuels and hydrogen infrastructure development.