This colorless fuel emits no carbon dioxide when burned. It's abundant and common, and it can be made using renewable electricity, water, and air. Both fuel cells and internal combustion engines can use it. Unlike hydrogen, it doesn't need to be stored in high-pressure tanks or cryogenic dewars. And it has 10 times the energy density of a lithium-ion battery. For all these reasons, ammonia (NH 3 ) is gaining favor in the global shipping industry, a multitrillion-dollar machine in need of cleaner fuels to power the freighters and tankers that haul manufactured goods and bulk materials across the ocean. Shipping companies seek climate-friendlier alternatives to petroleum that can propel their behemoth vessels for days or weeks at sea and still leave room on board for cargo.

中文翻译：

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氨解决方案：货船中的氨发动机和燃料电池可以减少碳排放

这种无色燃料燃烧时不会排放二氧化碳。它既丰富又常见，可以使用可再生电力，水和空气来制造。燃料电池和内燃机都可以使用它。与氢气不同，它不需要存储在高压罐或低温杜瓦瓶中。它的能量密度是锂离子电池的10倍。由于所有这些原因，氨气（NH 3 ）在全球航运业中逐渐受到青睐，这是一台价值数十亿美元的机器，需要清洁的燃料来为货轮和油轮提供动力，从而将制造的货物和散装物料拖到大洋上。船运公司寻求石油替代气候友好的替代品，这些替代品可以将其庞然大物的船舶在海上推进数日或数周，但仍在船上留有货物的余地。