Micro car Project
Science, Technology, Energy, Devices - Micro Car Project. Documents student engineering project on the study of 2-stroke engine and changes in its design for micro-car.
https://microcarproject.tripod.com/
The Concept Engine Home Page
Science, Technology, Energy, Devices - Concept Engine. Describes different engine design concepts, sorted by nation, as well as some support systems.
https://conceptengine.tripod.com/