Talk:Crude oil engine

I think Crude oil engine is simply a synonym for Hot bulb engine. If it is different, what is the difference? Biscuittin (talk) 20:11, 3 February 2008 (UTC)
 * Agree.hot bulb progressed into smaller heated areas. article should be incorporated with hot bulb eng.Wdl1961 (talk) 16:11, 22 January 2010 (UTC)
 * I have discovered that there are modern crude oil engines so I have decided to keep this as a separate article. Biscuittin (talk) 18:24, 9 August 2014 (UTC)