K. Smith wrote:

Only gases burn, no liquids no matter how flammable they are, actually
"burn", all liquids that can burn only do so once they're fully
vapourised. It's the vapour that allows oxygen to be available to
support the combustion.


Are you sure that's correct?

I think diesel fuel is atomized, not vaporized, to support combustion.
The fuel can burn because each microdrop is surrounded by an atmosphere
that contains oxygen.