What Makes the Pilot Significant
The Zhejiang Free Trade Zone city of Zhoushan has become the first place in China permitted to blend marine biofuel for export. A dedicated regulatory handbook now guides every step from feedstock receipt to product certification, giving suppliers and shipowners a clear rulebook that did not previously exist. By allowing blending inside bonded storage tanks rather than only importing finished product, China is moving from biofuel customer to biofuel creator, adding an entirely new value layer to its port services.
Economic and Operational Advantages
Early estimates show that locally blended B24 and B30 grades could cost about eighty dollars less for every metric tonne than equivalent imports. Savings of this size quickly multiply for large container and bulk carriers bunkering thousands of tonnes during a single call. Beyond lower prices, vessels will enjoy faster turnaround because feedstocks, laboratories, financers, and customs officials are all located within the same harbour zone. More than eight million tonnes of conventional bunkers were already sold at Ningbo Zhoushan in the previous year, so adding competitively priced biofuel will make the port an attractive one stop solution for fleets looking to meet tightening carbon rules without logistical detours.
Insight: A New Domestic Waste Oil Ecosystem
An important but less discussed impact is that port side blending creates stable demand for waste cooking oil and other advanced feedstocks generated across Chinese cities. Collection firms can now sell into a guaranteed maritime market instead of exporting raw material overseas. That linkage could accelerate professionalised recycling programs, turning municipal waste into maritime energy while keeping both revenue and jobs onshore.
Conclusion
Zhoushan is demonstrating that smart policy can unlock practical, scalable decarbonisation for global shipping while stimulating local industry. The pilot provides a template other Chinese port could adopt as green fuel demand rises.

