The second edition of Engine In The Nutshell covers the fuel system for Ethanol and Hydrogen and their combustion characteristics. It also reveals the factors influencing the combustion efficiency in engines based on Fuel Stratification, Spray Pattern, Flow Velocity etc. The systems necessary for emission control like the Positive Crankcase Ventilation, Exhaust Gas Recirculation, and Exhaust After Treatment System are also explained thoroughly. This book also unveils various methods of Twin Turbocharging with a dedicated chapter on Engine Control Systems explaining the workings of every sensor and microcontroller involved in the electronic control system of the engine.