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Hi Tim - thought you might be interested in this recent report from a global marine industry trade group showing the relative impacts of various fuels vs. battery electric propulsion. Curious to hear your reaction. https://propellingourfuture.com/documents/pathways-propulsion-decarbonization-recreational-marine-industry.pdf

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Jeff: here is a pretty good analysis of that report. One key flaw (for anyone who actually uses their boat) is that the report assumed an average annual use for a sailboat engine of 24 hours per year. Also, I have the impression that the report was using current range and speeds as a benchmark, instead of imagining a future in which boaters might be willing to adapt to lower speeds and ranges. Anyhow, check it out: https://www.yachtingmonthly.com/specials/the-true-carbon-cost-of-sailing-and-why-going-electric-could-be-less-green-than-you-think-96666

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Thanks for pointing out the yachting monthly article, Tim. I agree there will need to be some adaptation to lower speeds and range at the current state of battery energy density. As long as the overall user experience is improved (i.e., reduced operating costs, higher reliability, quieter, no smells, etc.) there will be some boaters who decide to shift to electric regardless of the environmental benefits.

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