Williams Jet Tenders Go HVO, Eco

Boating News | May 2025

Installation of New HVO Tank

Williams Jet Tenders has installed a 6,000-litre Hydrotreated Vegetable Oil (HVO) tank at its Oxfordshire headquarters, marking a further step in its sustainability programme. The move, announced on World Earth Day, supports the company’s commitment to reducing its environmental footprint.

Diesel Models Now HVO Compatible

The HVO tank will power Williams’ entire vehicle fleet and all diesel-powered models. Following Yanmar’s approval of HVO for its 4LV engines, all nine diesel models in the Williams range – DieselJet 415, 445, 505, 565, 625; SOLAS 505, 565, 625; and EvoJet 70 – are now compatible with the renewable fuel.

HVO, produced from renewable waste materials, can cut net CO₂ emissions by up to 97% compared to standard diesel, according to DEFRA’s Condensed Set of GHG Calculations 2023. Williams continues to work with fuel partners to better understand variations based on feedstock sources.

Commitment to Sustainable Innovation

Dan Bloice-Smith, Operations Director and Sustainability Chair at Williams, said the installation demonstrates operational improvements towards sustainability. He highlighted the positive collaboration with Yanmar Marine International in enabling the switch.

Floris Lettinga, Director of Sales and Marketing at Yanmar Marine International, noted that the approval of HVO for the 4LV engines represents a major step in reducing marine emissions.

Further Recognition for Sustainability Efforts

The installation follows Williams Jet Tenders’ recent win at the IBI Boat Builder Awards 2024, where it was named Sustainability Project of the Year. HVO, also known as renewable diesel, meets the European EN15940 standard and does not require engine modifications, except minor fuel filter changes on older models.

For more information, visit: www.williamsjettenders.com