The federal government can also regulate commerce within a state when it may impact interstate movement of goods and services, and may strike down state actions which are barriers to such movement under Chief Justice John Marshall's decision in Gibbons v. Ogden (1824).
Unless otherwise stated, all the engines here got nowhere. THE UNUSUAL INTERNAL COMBUSTION ENGINE PAGES (The greyed-out engines have not yet been delivered to the Museum) The Atkinson Cycle engine The Atkinson Cycle engine: 1887 ANIMATED. Compound IC engines The Deutz compound engine: 1879. The Forest-Gallice Compound Petrol Engine: 1888.
Stirling engines are single-phase external combustion engines which use air, helium, or hydrogen as the working fluid. Every Stirling engine has a sealed cylinder with one part hot and the other cold. The working gas inside the engine is moved by a mechanism from the hot side to the cold side.