Tracing the true carbon intensity of sustainable marine fuels

Press Release: Innovative technologies for the end-to-end assurance of the new fuel supply chain


Shipping’s decarbonisation is currently focused on delivering alternative fuels that significantly reduce greenhouse gas (GHG) emissions. However, to be sure that alternative fuels can achieve the GHG reductions needed, emissions from the end-to-end supply chain of these fuels need to be measured as well, from the resource used to produce the fuels, to their consumption onboard the ship.


For this reason, LR Maritime Decarbonisation Hub and Safetytech Accelerator initiated a feasibility study of technologies that can track the true carbon intensity of hydrogen and ammonia, two of the most promising long-term alternative fuel candidates for shipping’s energy transition. Following a rigorous selection process, two technology vendors, TYMLEZ and Authentix, were selected with complementary approaches that have the potential to provide sustainable fuel assurance across the fuel supply chain.


Given the varied production routes of sustainable marine fuels, it is essential to develop new carbon tracing authentication methods to ensure that the new fuels purchased are being produced, transported and stored in a way that will deliver emissions performance expectations. This report highlights ways in which innovative technologies can be used to validate the environmental and commercial impacts from using green fuels in shipping.

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