[Chad_the_Impaler]

Presumably when crude oil goes down the corresponding taxes go down by a similar amount. 63%+13%=76%.

[thackney]

Presumably when crude oil goes down the corresponding taxes go down by a similar amount.

Most gasoline taxes are fixed per gallon. Some states have some portion that is percentage based.

http://www.api.org/oil-and-natural-gas-overview/industry-economics/~/media/Files/Statistics/State-Motor-Fuel-Excise-Tax-Update-Oct-2014.pdf