Poterba 1989 Study

The increase in taxes on gasoline generates a large debate across the United States. Supporters of an increase in the federal gasoline tax generally agree that a higher tax on gasoline would induce people to drive fewer miles and buy more energy-efficient cars. Consequently, the increase in this rate leads to lower air pollution, less congestion and safer roads. However, opponents of the increase in the federal gasoline tax point to the regressive nature of this tax. A 1989 study found that Poterba by gasoline taxes were about 15% of income before taxes for the lowest income groups in the US, compared to 2.8% for the higher income groups [Poterba, 1989 , 325].
Although 43% of respondents have answered "yes" to this question, it is understood