Editing Outboard motor (section)

=== Propane ===
Propane outboard motors are available from several manufacturers. These products have several advantages such as lower emissions, absence of ethanol-related issues, and no need for choke once the system is pressurized.<ref>{{Cite news|url=https://www.thoughtco.com/lehr-propane-outboard-engine-review-2915368|title=Is the Lehr Propane Outboard Engine Right for Your Boat?|work=ThoughtCo|access-date=2017-05-27}}</ref> Lehr is regarded as the first manufacturer to have brought a propane-powered outboard motor to market by ''[[Popular Mechanics]]'' and other boating publications.<ref>{{cite web|url= https://www.popularmechanics.com/technology/gadgets/g969/the-top-10-tech-breakthroughs-of-2012/?slide=8 |last=Arndt |first=Rachel |date=1 October 2012|website=popularmechanics.com |title= The Top 10 Tech Breakthroughs of 2012: Lehr Propane-Powered Outboard Engine|access-date=15 May 2020}}</ref><ref>{{cite web|url= https://www.nwyachting.com/2018/04/lehr-runnin-clean-and-lean/ |last=Moore |first=Evin |date=16 April 2016|website=nwyachting.com|title= Lehr: Runnin' Clean And Lean|access-date=15 May 2020}}</ref><ref>{{cite news|url= https://www.soundingsonline.com/news/propane-outboards-will-they-catch-on |last=Loibner |first=Dieter |date=17 June 2017|newspaper=Soundings Online|title= LehrPropane outboards: Will they catch on?|access-date=15 May 2020}}</ref><ref>{{cite web|url= https://www.boats.com/on-the-water/the-outboard-expert-tohatsu-propane-outboard-engine/8 |last=Plueddeman |first=Charles  |date=3 May 2017|website=boats.com |title= The Outboard Expert: Tohatsu Propane Outboard Engine|access-date=15 May 2020}}</ref>