Mechanical Engineering: Internal Combustion Engines (Gasoline and Diesel Engines), Tribology, Wear, Surface Analysis, Friction, Lubrication, Crankcase Oils, Oil Drain Periods, Oil Analysis, Additive and Protective Additive Layers, Nanolubricants (Graphene Nanoplates, Carbon Nanotubes (single wall, multi wall), Boron Nitride etc..), Fuel Economy, Emissions, Engine Design, Materials and Chemical Engineering, Coatings (Zinc Phosphate, Graphene, Nitrading etc..), NanoTribology.