‘At 0.2% in the air, you keel over’: Can ammonia’s toxicity issues be fixed?

Studies into the use of ammonia as a clean fuel on ships raise worrying safety questions that may take a decade to solve

https://www.tradewindsnews.com/business-focus/-at-0-2-in-the-air-you-keel-over-can-ammonia-s-toxicity-issues-be-fixed-/2-1-1278108