Hydrogen challenge chart, electric-car fee, Tesla road trip, 2018 Fiat 500e preview: Today’s Car News

Mercedes-AMG Project One concept, 2017 Frankfurt Motor ShowToday, we've got a new state fee proposed for hybrids and electric cars, a 2018 Fiat 500e preview, a Tesla cross-country road trip, and a chart explaining the challenge for hydrogen fuel-cell vehicles. All this and more on Green Car Reports. Take our latest Twitter poll, which asks where you think we'll see the most electric-car innovation in...