Fun fact. British main battle tanks run on coal.🔥

That's a smokescreen

Nope

If you inject diesel fuel directly into the engine's exhaust manifolds than hot exhaust gases burn diesel and create a thick smoke through exhaust pipes. It's not a bug, it's a feature. One of three options for smokescreen with a smoke rounds and smoke grenades.

A turbo blew up.

Admiral Kuznetsov be like: hold my beer! And this one is actually real. No joke.

Fun facts that’s smoke screen to cover their location

It’s for boiling the kettle on for a gallon of tea 👍

That’s the the smoke generator. It’s like a smoke grenade but for tanks. Almost all modern MBTs have them

Thats a blown up turbo.

It's creating a smoke screen to conceal the convoy, likely by spraying fuel into the exhaust