Legislation would lower the tax on gasoline and create a new tax on electric-vehicle charging, which critics say is incentivizing polluting vehicles and discouraging clean vehicles.
Democrats are debating whether doing nothing will cost more than doing something to deal with climate change, education, child care, prescription drugs and more.
Vivint Solar Inc. and Enphase Energy Inc. were among solar companies that slipped Wednesday as investors confront the possibility that a key federal subsidy may be threatened by the anticipated tax reform proposal.
