Talk:Engine efficiency

This article is rated Start-class on Wikipedia's content assessment scale.
It is of interest to the following WikiProjects:

Technology

Technology portal

This article is within the scope of WikiProject Technology, a collaborative effort to improve the coverage of technology on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.TechnologyWikipedia:WikiProject TechnologyTemplate:WikiProject TechnologyTechnology articles