About 279,000 barrels a day of fuel won’t be needed this year China adds a London-sized electric bus fleet every five weeks Electric buses were seen as a joke at an industry conference in Belgium seven years ago when the Chinese manufacturer BYD Co. showed an early model. “Everyone was laughing at BYD for making a toy,” recalled Isbrand Ho, the Shenzhen-based company’s managing director in Europe. “And look now. Everyone has one.” Suddenly, buses with battery-powered motors are a serious matter with the potential to revolutionize city transport—and add to the forces reshaping the energy industry. With China leading the way, making the traditional smog-belching diesel behemoth run on electricity is starting to eat away at fossil fuel demand. The numbers are staggering. China had about 99 percent of the 385,000 electric buses on the roads worldwide in 2017, accounting for 17 percent of the country’s entire fleet. […]