This tech could keep EVs from stressing the grid — and save everyone money

If you’re a typical American, you get home from work and start flipping switches and turning knobs — doing laundry, cooking dinner, watching TV. With so many other folks doing the same, the strain on the electrical grid in residential areas is highest at this time. That demand will only grow as the world moves away from fossil fuels, with more people buying induction stoves, heat pumps, and electric vehicles.

That’s a challenge for utilities, which are already managing creaky grids across the United States...