What is the major barrier preventing the widespread adoption of Ammonia ($ ext{NH}_3$) as a carbon-neutral fuel at sea?

Answer

Ammonia's toxicity

The maritime sector is exploring Ammonia ($ ext{NH}_3$) as a potential fuel source to achieve carbon-neutral operations, aligning with the broader electrification and zero-emission shift. However, this transition faces a significant hurdle related to the chemical properties of the fuel itself. Ammonia is noted for its toxicity, which presents a major safety barrier for widespread use, especially in confined spaces like engine rooms onboard vessels. Innovations addressing this barrier involve patented designs that incorporate specific safety measures, such as compartmentalizing engine rooms with dedicated pressure controls and specialized ventilation systems designed to contain any potential leaks effectively.

What is the major barrier preventing the widespread adoption of Ammonia ($	ext{NH}_3$) as a carbon-neutral fuel at sea?
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