Gas Tax

According to wikipedia,
fuel taxes in Germany are €0.4704 per litre for ultra-low sulphur Diesel and €0.6545 per litre for conventional unleaded petrol, plus Value Added Tax (19%) on the fuel itself and the Fuel Tax.
1 US gallon happens to equal 3.78541178 litres. With an exchange rate of 1 Euro = 1.3949 U.S. dollars, this results in a fuel tax (not including the V.A.T.) of $2.4838(3943) / $3.4559(373) per gallon for diesel/unleaded fuel.

Basis point

One basis point is one hundredth of a percent. 1 % = 100 bp. Or, equivalently, 1 bp = 0.01 %.

FICA tax

The FICA tax is the Federal Insurance Contributions Act tax. It is a payroll tax, funding Social Security and Medicare. More details can be found in this wikipedia article.