The latest efficiency record from Renault’s Filante concept is a reminder that the electric car story is not just about bigger batteries, but about how far engineers can stretch every kilowatt hour.

A Wisconsin-based trucking company reportedly drove a Tesla Semi more than 4,700 miles across multiple states, recording an energy consumption rate of 1.64 kilowatt-hours per mile. The test, ...

California’s Air Resources Board has officially confirmed the Tesla Semi’s battery capacities through a regulatory filing — and they’re smaller than what Elon Musk originally suggested back in 2022.

What if a gas-powered car were marketed only with range estimates instead of an efficiency rating such as mpg? Well, that’s mostly been the case with electric vehicles. Instead of mpg, the EPA ...