President Joe Biden’s pick for secretary of transportation said recently that a tax on gasoline is possible. “I think all options need to be on the table. The gas tax has not been increased since 1993, and it’s never been paid to inflation. And that’s one of the reasons why the current state of the Highway Trust Fund is there’s more going out than coming in. Up until now, that’s been addressed with general funding transfers. I don’t know whether Congress would want to continue doing that,” former South Bend Mayor Pete Buttigieg told senators during his confirmation hearing last week. “In the near term, we need a solution that can provide some predictability and sustainability. In the long-term, we need to bear in mind also that as vehicles become more efficient and as we pursue electrification, sooner or later there will be questions about whether the gas tax can be …