"Another American carbon pricing plan has died.
The Transportation and Climate Initiative — a cap-and-trade program covering cars in three Northeastern states and the District of Columbia — was abandoned last week after Connecticut Gov. Ned Lamont (D) and Massachusetts Gov. Charlie Baker (R) pulled the plug on the program.
The announcement represents the latest setback for carbon pricing plans in the United States, and it raises questions about how policymakers in the Northeast plan to tackle emissions from transportation, by far the largest source of greenhouse gas emissions in the region."