Shin motocin lantarki masu tsabta suna da watsawa?

Lallai, motocin lantarki masu tsabta sau da yawa suna da watsawa. Koyaya, ba kamar iskar gas na gargajiya -waɗanda abin hawa ke amfani da shi ba, babban aikin isar da wutar lantarki mai tsafta shine sarrafa yanayin aiki da ingancin injin, maimakon sãɓã wa jũna ma'auni don daidaita saurin tuki iri-iri kamar motocin gargajiya. Ana kiran irin wannan nau'in watsawa a matsayin "watsawa guda ɗaya{3}} ko "watsawar rabo na dindindin."