noun
diesel engine
Refers to an internal combustion engine that uses diesel fuel. Common in automotive, industrial, and marine contexts.
このトラックはディーゼルエンジンを搭載している。
This truck is equipped with a diesel engine.
ディーゼルエンジンはガソリンエンジンより燃費が良い。
Diesel engines have better fuel efficiency than gasoline engines.
Variant with interpunct, sometimes used for clarity or in technical contexts.
Loanword from English 'diesel engine', named after Rudolf Diesel.