Editing Diesel engine (section)

====1970s====
* 1972: KHD introduces the [[AD-System]], ''Allstoff-Direkteinspritzung'', (anyfuel direct-injection), for its diesel engines. AD-diesels can operate on virtually any kind of liquid fuel, but they are fitted with an auxiliary spark plug that fires if the ignition quality of the fuel is too low.<ref name="vBasshuysen_2017_24" />
* 1976: Development of the [[common rail]] injection begins at the ETH Zürich.<ref name="vBasshuysen_2017_141" />
* 1976: The [[Volkswagen Golf Mk1#Golf Diesel|Volkswagen Golf]] becomes the first compact passenger sedan/saloon to be offered with a diesel engine option.<ref name="GoDilautSpiegel401976">{{Cite magazine |date=27 September 1976 |title=Blauer Rauch |url=http://www.spiegel.de/spiegel/print/d-41136373.html |magazine=Der VW-Konzern präsentiert seine neuesten Golf-Variante – den ersten Wolfsburger Personenwagen mit Dieselmotor. |publisher=[[Der Spiegel]] (online) |volume=40/1976 |access-date=28 February 2019}}</ref><ref name="GoDivolgensGA">{{Cite web |last=Georg Auer |date=21 May 2001 |title=How Volkswagen built a diesel dynasty |url=https://europe.autonews.com/article/20010521/ANE/105210844/how-volkswagen-built-a-diesel-dynasty |access-date=28 February 2019 |website=Automotive News Europe |publisher=Crain Communications, Inc., Detroit MI}}</ref>
* 1978: Daimler-Benz produces the first passenger car diesel engine with a turbocharger ([[Mercedes-Benz OM617 engine]]).<ref name="Merker_2014_179" />
* 1979: First prototype of a low-speed two-stroke crosshead engine with common rail injection.<ref name="Merker_2014_276" />