Diesel
A Short History of Marine Diesel Engines, Advances in Diesel Engine Technology, Diesel Technology Forum, Dieselmann's Page, How Diesel Engines Work, IH Diesel Engine Page, The Diesel Engine and The Diesel Cycle, Wikipedia - Diesel Engine
Gas Turbine
DIYGasTurbines, Garret AiResearch ATF3 Online Museum, How Gas Turbine Engines Work, Jet Engine Design Software, Matt and Rance's Home Built Jet Engine, The Junkyard Turbojet Engine, Wikipedia - Gas Turbine
Research
Argonne National Laboratory - Engines and Emission, Brunel University - Combustion Engines Research Gr, Ceramic Engine, Colorado State University - Engines and Energy Con, Doshisha University - Spray and Combustion Science, European Research Community On Flow, Turbulence An, EVIC Engine, Massachusetts Institute of Technology - Gas Turbin, Massachusetts Institute of Technology - Sloan Auto, Michigan State University - Engine Research Labora
Rotary
Antonio Sanchez Engineering, Archer Trice, Ball Piston Engine, CKE Radial Engine, Felix Wankel Homepage, Freedom Motors, FutureWatch - From the Piston to the Wankel to the, HowStuffWorks - How Rotary Engines Work, Idol Principle, Orbiting Piston
ASME - Internal Combustion Engine (ICE) Division
Encourages research, development and data exchange among its members. Includes events, publications, codes and standards, and contact information.
Concept Engine
Describes different engine design concepts, sorted by nation, as well as some support systems. Addresses efficiency and performance, insights, characteristics, with pictures and animations.
HowStuffWorks - How Automobile Ignition Systems Wo
Explains the basics of ignition systems in Otto cycle engine. Includes technical animations and drawings.
HowStuffWorks - How Car Engines Work
Explains the basics of Otto cycle engines. Include technical drawings and animations.
HowStuffWorks - How Does a Miller Cycle Engine Wor
Explains the technical and historical background of the Miller cycle.
Kruse Limited Temperature Cycle
Describes an innovative thermodynamic engine cycle which limits peak combustion temperature in direct injection petrol, gasoline and diesel engines. Includes engine cycle overview and description, references, diagrams and patents.
The IrYdium Project - Internal Combustion Engine S
Visual applet simulating a four stroke Otto engine, with user changeable parameters. Shows the Carnot cycle and thermodynamic measures.
Wikipedia - Internal Combustion Engine
Free encyclopedia article covers internal combustion engine technology and applications. Addresses operation modes, thermodynamic cycle and efficiency, fuel types, support systems and parts.