Was Bourke Engine Com LLC. Developing simple, efficient, cleaner, 2-cycle, piston engine technology. Bourke engine was developed in 1930s, patents expired, inventor died after building devices, but with no financial success.
Illustrated tutorial with animation describes 2-cycle engines, why you see a sheen of oil around any 2-cycle boat motor, how 2-cycles can do the same tasks as 4-cycles, where used, how they compare to 4-stroke. [HowStuffWorks]
Developing high efficiency, low emission, 2-cycle engines. Current research and development focus/ four cylinder, Scotch yoke, free piston layout, designed by Melvin Vaux, based on Russell Bourke design. Pennsylvania, USA.