Yep, that would be me: driving diesels for over 30 years.
Back then, in the single dollar prices of fuel days, auto diesel was consistently cheaper than gasoline by an average 50 cents per gallon. Diesel began to escalate in cost during the Obama administration because of the ravages of the EPA. They required a new and extensive refinement process and diesel has been high ever since.
I was an organic truck farmer the FIRST time diesel reached $5.00 / gallon. My wallet took a whuppin'.
Try Googling terms like sustainable diesel, sustainable jet fuel, new diesel technology, etc. You will see a lot of hope on the horizon. We are going through an hysteria driven by politicians trying to appeal to a much younger but ignorant class of voter. The ICE is not going anywhere.