Chinese-controlled, Swiss marine power company WinGD has firmed up the performance and emissions data for its new X-DF-A ammonia-fuelled engine which has been undergoing full-load testing.

Estimates place the cost of renewable ammonia at $794–$1,543 per ton, compared to conventional “grey” ammonia derived from fossil fuels, which costs between $121 and $518 per ton, depending on natural ...

Promote high-emission fuels: The view expressed implicitly incentivises the use of grey methanol and grey ammonia, which have higher WTW GHG emissions compared to traditional oil-based fossil fuels, ...