Tesla's app promised savings, but I'm paying more for electricity than I did for gas. My Model Y's charging costs are proving ...

Some Tesla Superchargers are equipped with adapters to allow ... to NACS charging ports. That means cars such as the BMW i7 can pull right up next to a Model Y at a Tesla Supercharger station.

The Model Y can charge at up to 250 kilowatts, which is relatively fast — and Tesla vehicles can charge at non-Tesla stations ...