WASHINGTON—The Prime Minister’s Office isn’t saying anything about a key U.S. senator’s decision to put President Joe Biden’s controversial electric-vehicle incentives on ice. West Virginia Sen. Joe Manchin, a key Democratic vote in the evenly divided Senate, confirmed today that he’s a “No” on the $1.75-trillion Build Back Better bill. The legislation includes tax credits…

WASHINGTON—The Prime Minister’s Office isn’t saying anything about a key U.S. senator’s decision to put President Joe Biden’s controversial electric-vehicle incentives on ice. West Virginia Sen. Joe Manchin, a key Democratic vote in the evenly divided Senate, confirmed today that he’s a “No” on the $1.75-trillion Build Back Better bill. The legislation includes tax credits…