dlwolf72 Posted January 31, 2020 #1 Share Posted January 31, 2020 I watch ship arrivals and departures at different ports on PTZTV. Why are the Carnival ships always spewing black smoke into the air? Link to comment Share on other sites More sharing options...
fred30 Posted January 31, 2020 #2 Share Posted January 31, 2020 (edited) Carnival ships always looked like the smoke was darker. The Tail design shots the exhaust out to the side as opposed to being push straight up so it lingers more. The smoke is spread out farther and moves vertical much slower. Now the ships are changing over to various methods of controlling emissions. Edited January 31, 2020 by fred30 Link to comment Share on other sites More sharing options...
ALWAYS CRUZIN Posted January 31, 2020 #3 Share Posted January 31, 2020 Newer ships being built are going to use LNG less pollution for sure. The dark black diesel smoke will be no longer from those ships. Link to comment Share on other sites More sharing options...
TBone2K Posted January 31, 2020 #4 Share Posted January 31, 2020 Keep in mind of course that visible emissions are not necessarily worse than invisible emissions. Link to comment Share on other sites More sharing options...
Joseph2017China Posted January 31, 2020 #5 Share Posted January 31, 2020 RCCL has installed scrubbers, where Carnival hasn't done much.....like an old oil burning engine. (there was a thread on how ulgy the scrubbers looked on the retro fits) Link to comment Share on other sites More sharing options...
BND Posted January 31, 2020 #6 Share Posted January 31, 2020 It's caused by an imbalance in the air fuel ratio. My husband is a retired US Navy Captain and that's what he says it is. Link to comment Share on other sites More sharing options...
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