Sales of electrified rigs are booming in China, with the United States lagging far behind, says David Fickling for Bloomberg Opinion.To hear Bill Gates tell it, the electric drivetrains that have transformed the passenger vehicle industry over the past decade have no chance of repeating the trick in heavy trucks. According to Elon Musk, such a transition is inevitable – and Tesla will be leading it. Both of them are wrong. EV trucks really are on the brink of taking over – but Tesla is barely in the game. Only around 50,000 units of its monstrous cubist pickup, the...