Question: what is the difference between jet a and diesel fuel?
Answer: Jet-A is a relatively high sulfur fuel, diesel is low sulfur and EPA requirements are getting more stringent about sulfur in diesel every year. ... Jet-A is “dry.” Diesel is made in such a way, or additives are mixed in, to lubricate the injector system of a diesel engine. 3. Jet-A is closer to kerosene and Diesel #1.