Envison Energy supplies green ammonia for 'pioneering' bunkering operation

China-based green technology company Envision Energy has supplied green ammonia for the ‘pioneering’ bunkering of an ammonia-fueled tugboat at Dalian Port.

According to Envision Energy, the operation took place at COSCO Shipping Heavy Industry’s terminal in Dalian, where China Shipping & Sinopec Suppliers conducted the inaugural bunkering of green ammonia fuel for a 5,500-horsepower tugboat.

Equipped with an independently developed ammonia dual-fuel engine and a dedicated fuel supply system, the tugboat achieves an ammonia substitution rate of up to 91%, reducing reliance on traditional fossil fuels and cutting carbon emissions during operations. The vessel has obtained the “Ammonia Fuel Tug” classification from China Classification Society.

The green ammonia for the bunkering operation was produced at Envision Energy’s green hydrogen and ammonia production facility in Chifeng.

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