Biden Reaches Moment of Truth for Electric Vehicle Tax Credits

One week from today, the auto world will know where the Biden administration stands on some of the toughest policy questions surrounding the US transition to electric vehicles.

Ever since Senator Joe Manchin shocked Washington by clinching a left-for-dead climate deal, lobbyists have tried to tweak rules around just how much content carmakers and their suppliers will have to source domestically. The Democrat from West Virginia has repeatedly criticized these efforts, which he says will sacrifice US energy independence and national security in the name of fighting climate change.

Most automakers — which want to lower costs and maximize government support to sell ...