ocr: There are many Characteristics that make the Stirling Overiew ofi the engine an appealing alternative to the internal combustion comp arson: engine. Foremost is its efficiency and fuel economy: the the CnaraCTeRSOLS key word. is Stirling enqine runs at an efficiency of 37.4 percenty-more than double that of the internal combustion engine, and 1t is projected to give 50% better gas mileage. Also, the. Point of comp anson 7 stirling engine produces extremely low emissions: it can Point of comp arson 2 meet all 1985 emission standards with none of the special modlllcatlons required by internal co ...