pay per mile

Yesterday, we discussed the problem of America's crumbling roads and bridges. Taxes on gasoline are meant to keep that stuff up to snuff, but the costs of maintenance and upgrades are outpacing revenue. The reason? The federal gas tax hasn't risen since 1993. The Wall Street Journal recently examined several ways to boost funding for America's infrastructure, and we briefly discussed the pros and cons of each. But what neither we nor the WSJ explored in depth was the effect of hybrid and electric vehicles on the gas tax -- and, ultimately, road maintenance. Here's the problem: the distance...