So what is your take on diesel fuel prices after 2020?

I love the way oil prices just 20 or 30 cents a gallon jump up over night and if they go down it's 1 or 2 cents over a 6 month period. oil companies have enjoyed 25 billion dollar profits over a 3 month period, they run wild when it comes to oil prices. they added lead additives to gas and the price was 25 cents a gallon, now they have unleaded and the price is $3 something a gallon. what makes you think they will sell at a lower price.