Introduction to Novel Internal Combustion Engine Technologies for Performance Improvement and Emission Reduction.- Application of Laser-Induced Fluorescence Technique in Internal Combustion Engine.- Challenges and Opportunities of Particle Imaging Velocimetry as a Tool for Internal Combustion Engine Diagnostics.- Dimethyl Ether Spray Characteristics for Compression Ignition Engines.- Spray Chamber Designs, and Optical Techniques for Fundamental Spray Investigations.- Efficiency Improvement of Internal Combustion Engines Over Time.- Evolution of Catalytic Converters for Spark Ignition Engines to Control Emissions.- Engine Emission Control Devices for Particulate Matter and Oxides of Nitrogen: Challenges and Emerging Trends.- Variation of soot structure along the exhaust after-treatment system - Impact of fuel type on the soot/catalyst interactions.- Effect of Hybrid Nanoparticle on DI Diesel Engine Performance, Combustion and Emission Studies.