Triumph boats are plastic - 100% recyclable. I've been
researching outboard jets, and I came across this
company below:
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http://www.swordmarine.com/
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They make diesel / jet driven motors that mount to the
transom of boats. Their product is called "Jetpac."
Anyway - if it were possible to convert it do be run
on biodiesel fuel - you would have yourself a very
"envvironmentally friendly" vessel there. Plus, it
would be powered by a jet drive, so there would be no
lower unit to harm manatees, endangered coral reefs,
sea grasses, etc..
I know Willy Nelson promotes biodiesel fuel- maybe he
would help promote it - or even write a song about it?