THE GREEN BOATER · vidéo

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Michael Barnard, a decarbonization analyst, forecasts that by 2035 virtually all boats under 20 feet will have electric drivetrain options, and custom yachts 25 feet and up will offer hybrid or fully electric propulsion.▶ 1:04 Small watercraft — electric foils, stand-up paddleboard motors, kayak and canoe motors — are already transitioning to battery electric.▶ 0:54 For larger vessels, Barnard argues that waste-based biofuels will bridge the gap before full electrification arrives. He points to Metro Vancouver's two pilot projects converting sewage bioliquids into ammonia and biosolids into fuel, and notes that Wizz Air has contracted 30 million litres of biosolid-derived jet fuel.▶ 2:39 The same biosolid-to-marine-diesel pathway, he argues, suits recreational boating because recreational boaters are less price-sensitive to fuel costs than commercial operators.▶ 2:58 Globally, roughly 2.5 billion tons of the 7.5 billion tons of food produced annually is wasted, generating large biomass streams that currently decompose into methane — a potent greenhouse gas.▶ 1:48 Converting that waste to biofuel reduces methane emissions while supplying hybrid vessels.▶ 3:35 Barnard's practical suggestion: recreational boating communities should approach municipal waste treatment operators like Metro Vancouver about local waste-biofuel supply chains.▶ 3:45

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