GPS Marine Contractors goes carbon neutral with green tug boats on the Thames

The largest commercial operator on the Thames, based in Medway, has gone carbon neutral.

GPS Marine Contractors, in Lower Upnor, Rochester, operates a fleet of tugs and barges on the Thames, transporting more than 3.25million tonnes of construction-related cargo over the past two years.

GPS Marine boats operate on the Thames. Picture: Andrew Christy
GPS Marine boats operate on the Thames. Picture: Andrew Christy

It has recently changed its tugs from using marine gas oil to Green D+, a 100% renewable plant-based fuel derived from waste cooking oil.

It follows a deal to make the switch with Green Biofuels Ltd.

GPS CEO, John Spencer, explained: "Green D+ reduces emissions of nitrogen oxides by approximately 30% and particulates by about 80%. It also eliminates the emission of oxides of sulphur completely. It makes our fleet carbon neutral."

It has even commissioned a mobile fuel station carrying the green fuel from a riverside terminal at Dagenham.

Mr Spencer adds: "We hope that by making it possible to deliver Green D+ on the Thames by tanker barge, and thereby making the product available to all vessel operators, they too might be persuaded to change their vessels' fuel. It would bring about both a significant reduction in the environmental impact of vessels of the Thames and an improvement in the quality of London's air."

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