Norway, a world leader of zero-emission vehicles, on Thursday proposed a “Tesla tax” aimed at cutting a tax advantage granted to large electric cars, in a heavily criticized move. Electric cars, which have hitherto been exempted from heavy taxes imposed on other vehicles, accounted for 20 percent of new registrations in the Nordic country since the beginning of this year, an unprecedented market share in the world. In a 2018 finance bill presented to the parliament on Thursday, the right-wing minority government suggested removing a one-off tax exemption for new electric cars weighing more than two tonnes. The proposal was...