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File:Fowler plough engine 15199 (AL8510) diesel conversion, Dorset Steam Fair 3.9.1992 (9965580733).jpg - Wikimedia Commons
Omnitek develops diesel-to-natural gas engine conversion kits for Mercedes OM904/OM906 - Green Car Congress
Omnitek develops diesel-to-natural gas engine conversion kits for Mercedes OM904/OM906 - Green Car Congress
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