WinGD nets first AiP for ammonia two-stroke engine as race hots up 28 September 2023 Lloyd’s Register said approval in principle will give early movers confidenceAuthor: Capt. Johnhttps://www.tradewindsnews.com/gas/wingd-nets-first-aip-for-ammonia-two-stroke-engine-as-race-hots-up/2-1-1525395