What IS bunker oil?

[Greenheart]

270 tons/day, but she was a 15 knot steamer...

That's pretty impressive, I'd say! A volume of fuel 6.5m x 6.5m x 6.5m...not much, to move over half a million tonnes, 360 miles in 24 hours!

Whether one detests Clarkson or just slightly dislikes him, this clip is quite fun to give a sense of the ship's proportions:

 

[Bobobolinsky]

Cracking = Heating and then condensing
Stu

Cracking now is often a catalytic process

Kingsnorth Power Station was burning fuel oil, because of the age of the heating plant, a pipe corroded through. I had the job of cleaning up the spill, metre deep pipe trenches, full to the brim. That was a dirty job, steaming it out with a steam lance and double bagging it, a week it took