As with all rules, this one is meant to be broken, as well, but you've got to be very careful. Diesel Hub says starting fluid can be used on some diesel engines, but only when the manufacturer ...

Diesel engines are renowned for their remarkable low-end torque, longevity, and sterling fuel economy. Diesel fuel packs 10% to 15% more energy than gasoline or petrol, enabling it to go 35% farther ...

Besides preventing the build-up of nasty engine sludge and premature wear, protection against cold starts is one of the main reasons why you should never skip an oil change in your gasoline or diesel ...