In his "Plugged In" article for the Daily Journal of Commerce, David Forman studies the proposed per mile fee for drivers of electric-vehicles. Oregon wants to charge electric-vehicle owners a fee for driving on state roads. The current proposal is $0.143 per mile, to be imposed beginning with 2014 models. The theory: If more people start driving electric cars, then the state will lose gas tax revenue, which ostensibly pays for road infrastructure.