The conversion of a petrol engine to run on diesel fuel(noun)
The replacement of petrol engines with diesel engines(noun)
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Use "dieselization" in a sentence
"But the flipside of the coin is, once upon a time diesel was subsidised like this and Dr. Vijay Kelkar used to call it the dieselization of the Indian economy."
"Delivered to the railroad in 1944, the 844 was the last steam locomotive built for the Union Pacific before dieselization."
"This was followed by increasing dieselization in Europe, and essentially, what ‟ s been happening over the last few years is that as the world refining centers move to hit the diesel targets, they are producing a lot of gasoline for which there is no local market."