Originally Posted by cepheid
I think diesel's availability is limited not by necessity, but by lack of demand. There is huge availability for truckers, of course. If more consumers needed/wanted diesel, more stations would carry it. AFAIK, diesel is actually cheaper to manufacture than gasoline (though I may be wrong about that). Biodiesel is even cheaper (recycled kitchen grease!) and if the market were right, could lead to even better availability.
You are correct. Diesel is a "mid barrel product" along with Kerosene which requires much less refining than Gasoline.