The world around us was built to cater to gas-powered cars. Tank trucks carrying thousands of gallons of fuel are a near-ubiquitous presence on the highway. Auto repair shops are stocked with drain pans and wrenches for oil changes. Gas prices are a central focus in politics. Even pedestrians and cyclists depend on the hum of the internal combustion engine — it’s a powerful audio signal that a car might cross their path. That’s all about to change. In the next few years, electric vehicles will replace many cars with internal combustion engines, and the White House has called for half of new vehicles to be electric by the end…