Yanmar Marine International (YMI) has confirmed its engines have been certified as compatible for use with the low carbon renewable paraffinic fuel, Hydrotreated Vegetable Oil (HVO).

A clear, colorless, odorless liquid, HVO is known as a ‘drop-in fuel’ and can be used as a direct replacement for fossil diesel in the certified Yanmar engines, either neat or blended in any proportion. It’s said no engine modifications or changes to handling, service, installation, and maintenance procedures are necessary.

“With supply expected to continue improving to meet demand, HVO fuel will be an important option for our customers who wish to cut their emissions while enjoying time on the water,” says Floris Lettinga, director of sales and marketing at YMI.

“The Yanmar approval for HVO and other alternative fuels is a vital stage in our Energy Transition strategy, enabling our customers to maximise the well-established features and benefits of our current efficient engine range.

“As YMI moves towards electric and hybrid solutions, we will offer further sustainable opportunities in our mission to support a range of boaters in their journey to find cleaner, greener propulsion solutions. HVO is a great first step for many people.”

The Yanmar engines approved for use with HVO fuels are as follows: 1GM, YM Series, JH Series, 4LH HTP, 4LH DTP, 4LH STP and 6LY, 6LF and 6LT series. YMI recommends that when switching to HVO fuel, engine owners refer to their Yanmar representative or dealer and follow the operation manual instructions.

Last month (August 2023) Feadship launched its 84.2m hybrid superyacht Obsidian, which has the ability to run its engines on the non-fossil diesel HVO fuel. The yacht’s trials were conducted with the generators running on HVO, which can reduce carbon emissions by 90 per cent compared to yachts operating on fossil fuels.

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