Inflation

New Hampshire will consider a Republican bill in 2014 to tie the gas tax to inflation, increasing it by about 4 cents next year should it pass. The Senate killed a House bill in May to increase the gas tax by 12 cents over 3 years.
Dec 9, 2013   Concord Monitor
A Freakonomics blogger has trouble finding an affordable bike in Portland, and looks into the reasons why.
Aug 21, 2009   The New York Times: Freakonomics Blog