Periodic publications of Japanese technical papers and conference reports on engine and fuel technology development research and development.

Explains why Miller cycle (forced induction Otto cycle) is more efficient than pure Otto cycle: it reduces the effective compression stroke. Mazda makes and sells cars, some with Miller engines. [Mazda Australia]

Manufacturer of marine, industrial and aircraft jet engines. Specifications and other information on their complete line of engines.

Brief, clear explanation of the essence of this Otto cycle variant, with some links. [HowStuffWorks]

SwRI examined the cylinder heads taken from a natural gas-fueled 60-kW cogeneration set engine with 15,000 hours of operation, evaluated the condition of the cylinder heads compared.

Electronic Valve Internal Combustion: investigate, demonstrate high speed camless, electronics actuated valves, internal combustion, 4-cycle, Otto cycle, 1 cylinder, model engine, book and kit about this significant technology.

Colorful animations show how ignition systems must work in perfect concert with the rest of an Otto cycle engine. Explains difference between 'hot' and 'cold' spark plugs. [HowStuffWorks]

Five cylinders, five valves per cylinder driven by in-head cams. Based on multicylinder, multibank radial engines used in old, pre-jet aircraft; well researched, prototype exists and is tested, air and oil cooled.

American Society of Mechanical Engineers: promoting the art and science of mechanical engineering of engines, encouraging and fostering research and development, and summarizing and publishing reliable data on these topics since 1921.