The cash differentials of Group A ultra - low sulphur diesel in the US Midwest fell to their lowest level since January , trading at 2.50 cents per gallon below the crude oil futures benchmark . * It follows October 's 10 cents per gallon above futures , the highest since November 2017 . The broker said prices could be squeezed further by an influx of new Gulf Coast diesel , which also fell to a 10-month low , trading at 9.50 cents per gallon below futures .
The cash differentials of Group A ultra - low sulphur diesel in the US Midwest fell to their lowest level since January , trading at 2.50 cents per gallon below the crude oil futures benchmark . It follows October 's 10 cents per gallon above futures , the highest since November 2017 . The broker said prices could be squeezed further by an influx of new Gulf Coast diesel , which also fell to a 10-month low , trading at 9.50 cents per gallon below futures .