Editing Fuel injection (section)

=== Other systems ===
The [[M-System]], used in some diesel engines from the 1960s to the 1980s, sprayed the fuel onto the walls of the combustion chamber,<ref name="Droscha_433">Hellmut Droscha (ed.): Leistung und Weg – Zur Geschichte des MAN-Nutzfahrzeugbaus, Springer, Berlin/Heidelberg 1991, {{ISBN|978-3-642-93490-2}}. p. 433</ref> as opposed to most other direct-injection systems which spray the fuel into the middle of the chamber.