Editor's note: This article has been corrected. Plug Power is in the business of hydrogen power units.

Fool.com contributor Parkev Tatevosian compares C3.ai (AI 0.63%), a major player in the AI industry, with Plug Power (PLUG 4.13%), which is one of the pioneers of hydrogen power units.

*Stock prices used were the afternoon prices of July 18, 2023. The video was published on July 20, 2023.