According to www.energy.ca.gov/, a 42G barrell of crude oil yields a total of 49.57G marketable product(31.4G of which is sold as fuel). Based on the fuel produced,each 1$ increase in oil price should result in a 3.2CENTS ($0.032)increase in fuel cost. According to www.oilnergy.com the price of sweet crude has risen from $44 to $68 in the past 12 months, a rise of $24 which should result in a price increase of $24x$0.032=$0.77 per gallon.During the same period, according to www.eia.doe.gov the retail price of gasoline has risen from $1.86 to $2.90, an increase of $1.04.
So, $1.04-$0.77=$0.24 per gallon excess profits to the oil companies. US consumption of gasoline is approximately 26M G/day,
or 9490 million gallons per year. This results in profit above true market value of $2,277,600,000 per year. If that isn't gouging I don't know what is.