According to
driving.ca:
"
[UPDATE 03/30/2020: The Wall Street Journal, Reuters, and several other sources are now saying sources inside VW are telling them the rebranding announcement is in fact an April Fools’ joke that launched early, part of a U.S. publicity campaign to stir up interest in its new electric models. Our original report from March 29 continues below. Look forward to more coverage once this update is clarified by the company itself.]"
Edit: Here's the Reuters article:
No VW U.S. name change as sources say fake release was a marketing stunt