Elmny’s teri-ble lab: toggleable smokescreen
Toggleable smokescreen is a small experimental mod that allow you to deploy a thick smokescreen behind your ship as you move
In the building menu you will find a block named "Smokescreen Generator". When selected and placed into your ship this block will look like a very tiny triangle: the long side is pointing at where the smoke will be generated and discharged. 
If you notice, the lower left corner of the game will have 4 icons, indicate how many time you can use the smokescreen
They will be there in both build mode and sail mode so don’t worry, the game is not breaking (yet).
In sail mode, you can deploy the smokescreen by clicking those 4 icons, which will work like separated charges and disappear after being used. Each time the generator will continuously create smoke for 40 seconds, and the smoke will dissipate after 60-90 seconds. To make a wall of smoke, move you ship in any direction, it will leave the thick smoke trail behind.
The buttons to activate smokescreen will persist as long as you’re in the game, in every mode. This is a known issue and to be honest I also don’t know how to mod it properly to prevent that.
Q: Is there any performance impact?
A:There could be some impact depend on your devide, however it is somewhat optimized and I didn’t experience any significant lag or fps drop.
Q: Can I request something into the mod?
A: Sure! Just write down below or find me in the offical server, I will look into it.