Octane rating or ethanol. Which is more

[kawakx125]

exactly my point, somebody is making money off of it. diesel, by all accounts, should be cheaper than gasoline regardless of how much we need. someone saw an increased demand and started jacking up prices, it's pretty simple given its very steep price increase in just the past 10 years. if you were to plot the price of diesel vs demand in the past 10 years, i'd almost guarantee that price is a much steeper graph. when diesel goes up everything else goes up too because they use diesel to stock your stores with everything.