Tesla market value, GM diesels, Volvo hybrid concept truck: Today’s Car News

2018 GMC TerrainToday, Tesla's market value approaches that of the Detroit Three U.S. automakers, General Motors pitches its diesels to green-car buyers, and Volvo Trucks adds a hybrid powertrain to its efficiency-focused concept semi-truck. All this and more on Green Car Reports. Tesla has become a Big Three U.S. automaker. At least, when it comes to market...