🌐EnglishEnglishFrançaisItalianoالعربيةEntityQ3932934· pop 5· linked from 39 articlesengine efficiencywork done divided by heat providedAvailable in 5 languagesFrançaisItalianoالعربيةUkrainianvia Wikidata sitelinks · CC0ConnectionsCarnot cycleEntityexternal combustion engineEntityCategoriesAccuracy disputes from May 2025Engine technology