Editing Petrol engine (section)

=== Thermodynamic cycle ===
[[File:4StrokeEngine Ortho 3D Small.gif|thumb|right|upright=0.8|Animation of an Otto cycle engine]]

Most petrol engines use either the four-stroke [[Otto cycle]] or the [[two-stroke engine|two-stroke cycle]].<ref>{{cite web |title=What is Otto Cycle - Complete Explaintion on P-v & T-s Diagram |url=https://www.theengineerspost.com/otto-cycle/ |website=The Engineers Post |access-date=14 August 2022 |language=en-us |date=10 September 2019}}</ref><ref>{{cite web |title=What is Two Stroke Engine?- Types, And Working |url=https://www.engineeringchoice.com/what-is-two-stroke-engine/ |website=Engineering Choice |access-date=14 August 2022 |language=en-us |date=12 November 2020}}</ref><ref>{{cite web |title=Two Stroke Engine - Internal Combustion Engines (IC) - Automobile Magazine |url=https://www.motortrend.com/news/two-stroke-engines-expected-revival/ |website=MotorTrend |access-date=14 August 2022 |language=en |date=16 December 2009}}</ref> Petrol engines have also been produced using the [[Miller cycle]] and [[Atkinson cycle]].<ref>{{cite web |title=How does a Miller-cycle engine work? |url=https://auto.howstuffworks.com/question132.htm |website=HowStuffWorks |access-date=14 August 2022 |language=en-us |date=1 April 2000}}</ref><ref>{{cite web |title=Mazda 2.3L Miller-cycle DOHC V-6 |url=https://www.wardsauto.com/news-analysis/mazda-23l-miller-cycle-dohc-v-6 |website=WardsAuto |access-date=14 August 2022 |language=en |date=1 January 1998}}</ref><ref>{{cite web |title=Why does Toyota use Atkinson cycle engines? |url=https://mag.toyota.co.uk/toyota-use-atkinson-cycle-engines/ |website=Toyota UK Magazine |access-date=14 August 2022 |date=14 January 2015}}</ref><ref>{{cite web |date=4 April 2016 |title=Engine Types: Atkinson Cycle vs Otto vs Miller |url=https://enginehoist.net/engine-types-atkinson-cycle-vs-otto-vs-miller/ |access-date=9 June 2023 |website=EngineHoist}}</ref>