Kentucky now mandates that companies providing electric vehicle charging stations use Tesla's charging connection.

If a state wants to electrify its highways using federal funding, they must:

The first state to formally require Tesla's charging system is Kentucky.

When Ford said in May that it will use Tesla charging technology to create future EVs, the swing towards Tesla charging plugs began.

General Motors quickly followed, setting off a chain reaction.

 The NACS standard would be adopted by Rivian, Volvo, and charging businesses including FreeWire Technologies and Volkswagen's Electrify America.

The standards body SAE International has also stated that it hopes to have a NACS configuration that is industry standard in six months or less.

Some segments of the EV charging sector are making an effort to slow down the growing NACS momentum.