IGC Engineering & Development, Inc. in Portland, Oregon built a two-cylinder engine that gave 48 hp at 3,200 rpm. It has been exhibited at the 1996 Oshkosh EAA.

-It has simple CDI-type ignition (Capacitative-Discharge-Ignition), including a magneto and an alternator. The injection system is simple and the engine weighs 120 lbs.

From Appendix 6: They are small engines for light aircraft such as the one shown in the photograph below.

“An installed IGC engine” (PiP)

-This engine has two horizontally opposed cylinders, and delivers 48 hp at 3,200 rpm. It is a four-stroke engine with a displacement of 92 cubic inches.

-The model is known as "2byFour".