diesel oil
diesel fuel AmE

Diesel fuel wasn't just the food of a field army.

The issue of tax on diesel fuel is also interesting.

I used diesel fuel for only the first 10 miles of the trip.

Learn whether diesel fuel is good for the environment from this article.

Someone had tried to break in to steal the diesel fuel, he said.

And the high cost of diesel fuel has made that expensive.

This also made a total of nine cars which would be using diesel fuel.

I didn't understand much about diesel fuel or engines, but who knew?

One is the recent spike in the price of diesel fuel.

"With diesel fuel going up 25 percent or more, that is adding to the cost."