What is Naturally aspirated engine?
[[File:Mercedes-Benz OM601 naturally aspirated diesel engine.jpg|thumb|right|250px|{{Center|A [[Mercedes-Benz]] OM601 naturally aspirated diesel engine (no turbocharger or supercharger)}}]] A '''naturally aspirated engine''' is an [[internal combustion engine]] in which air intake depends solely on [[atmospheric pressure]] and which does not rely on air forced through a [[turbocharger]] or a [[supercharger]].<ref>{{cite web |title=What is a normally aspirated engine? |url=http://ask.cars.com/2008/09/what-is-a-norma.html |date=2008-09-02 |access-date=11 June 2016 |work=ask.cars.com}}</ref> Many sports cars use naturally aspirated engines due to their lack of a [[turbo lag]]. The main advantage of a naturally aspirated engine is they are usually more reliable than turbocharged or supercharged engines.<ref>{{cite web |url=http://www.oneshift.com/automotive-101/8284/naturally-aspirated-vs-turbocharged-vs-supercharged-vs-twincharged-engines |title=Naturally Aspirated vs Turbocharged vs Supercharged vs Twincharged Engines |author=Oneshift Editorial Team |date=13 December 2013 |publisher=Oneshift |access-date=11 June 2016 |archive-date=9 June 2016 |archive-url=https://web.archive.org/web/20160609194106/http://www.oneshift.com/automotive-101/8284/naturally-aspirated-vs-turbocharged-vs-supercharged-vs-twincharged-engines |url-status=dead }}</ref> Most [[automobile]] [[gasoline]] engines, as well as many small engines used for non-automotive purposes, are naturally aspirated. Most modern [[diesel engine]]s powering highway vehicles are [[Turbocharger|turbocharged]] to produce a better power-to-weight [[ratio]]. They also have better [[Mileage|fuel efficiency]] and lower [[wikt:emission|exhaust emissions]]. == References == {{reflist}} [[Category:Automotive technologies]] {{transport-stub}}