The first diesel-powered motorships were launched in 1903: the Russian Vandal (the first equipped with diesel-electric transmission) and French Petite-Pierre. There is disagreement over which of the two was the first.
"Mississippi River Commission" (PDF). Corps Facts. United States Army Corps of Engineers. 11 January 2008. Archived from the original (PDF) on 26 July 2007. Retrieved 10 August 2008. https://web.archive.org/web/20070726123105/http://www.mvp.usace.army.mil/docs/press/FS-24.mrc.pdf ↩
"Open house of largest working towboat on the Mississippi rescheduled to Saturday, Aug. 9". United States Army Corps of Engineers. 7 September 2008. Archived from the original on 9 January 2009. Retrieved 10 August 2008. https://web.archive.org/web/20090109075610/http://www.mvp.usace.army.mil/print/default.asp?pageid=1444&subpageid=0 ↩
"Trials and tribulations of the marine diesel -A look back at the history of diesel ships". The Motorship. 1 November 2003. Retrieved 15 January 2017. http://www.motorship.com/news101/industry-news/trials-and-tribulations-of-the-marine-diesel-a-look-back-at-the-history-of-diesel-ships ↩
"100 years of motor ships". 1 February 2012. Retrieved 15 January 2017. http://www.motorship.com/news101/comment-and-analysis/100-years-of-motor-ships ↩