tax cuts for the wealthy-
1986:
www.allbusiness.com/glossaries/tax-reform-act-1986/4942724-1.html
2001:
en.wikipedia.org/wiki/Economic_Growth_and_Tax_Relief_Reconciliation_Act_of_2001

gasoline tax:
dunndailyrecord.com/main.asp?SectionID=2&SubsectionID=10&ArticleID=69871&TM=53184.58
www.artba.org/economics_research/reports/gas_tax_history.htm
ncseonline.org/NLE/CRSreports/Transportation/trans-24.cfm?&CFID=8539261&CFTOKEN=71797464

1956 price of gas: $0.20 / gallon
1956 federal gasoline tax: $0.03 / gallon or 15%
(states also tax at 2-7 cent rate)

5/2008 price of gas: $3.72 / gallon
2008 federal gasoline tax: $0.184 / gallon or 4.9%
(or with average state gas tax included: 12.6%)