EVgo, an electric vehicle charging company that has partnered with convenience retailers, is working with General Motors (GM) to deploy 400 fast charging stalls across the country. It also is launching new flagship stations, which will feature up to 20 stalls under a canopy co-branded by the two companies.

Hoping to spark higher EV sales, General Motors Co. is offering owners adapters to access the Tesla Supercharger network.

General Motors Company (NYSE:GM) shares are trading higher on Wednesday. Starting today, the company will provide its customers access to over 17,800 Tesla, Inc. (NASDAQ:TSLA) Superchargers using a GM-approved NACS DC adapter.

Owners of a General Motors-built EV can now charge at any Tesla Supercharger station after buying an adapter.The Latest Tech News, Delivered to Your Inbox

The company has updated its software, enabling Chevy, Cadillac, and GMC electric vehicles to access Tesla's Supercharger network. While future GM vehicles will come equipped with Tesla's charging port,