Treasury Department regulations that take effect Tuesday will sharply limit the availability of federal incentives intended to persuade motorists to give up their gas-guzzlers.

Americans can purchase 91 models of electric cars and trucks — but as of Tuesday, only 14 of them will qualify for federal tax breaks intended to persuade motorists to forsake their gas-guzzlers.

That number is sure to change. But for now, new Biden administration rules first announced March 31 will sharply winnow the number of vehicles now eligible for the $7,500 tax credit, a long-awaited list that the Treasury Department published Monday morning. READ MORE

The Chevrolet Bolt EV is pictured.