The AHUA lobbied for the TEA-21 highway and transportation bill in 1998, the SAFETEA-LU highway and transportation bill in 2005, the MAP-21 highway and transportation bill in 2012 and the FAST Act highway and transportation bill in 2015. It was member of the Global Climate Coalition which operated between 1989 and 2002 and which 'vigorously opposed' the Kyoto Protocol. It was opposed to the American Clean Energy and Security Act in 2009 'dramatically raise the price of highway fuel through a hidden tax on the carbon present in the fuel'.