A U.S. Senate panel proposed making the tax credit for capturing carbon emissions for recovering oil equal to the $85/metric ton tax credit for permanently burying those emissions underground, a boon for oil and gas producers.

Shares of US solar companies fell sharply after Senate Republicans released a bill that would end clean energy tax credits earlier than expected, dashing hopes that major cuts passed by the House wouldn’t stick.

Tax credits for crucial clean energy and home energy efficiency projects would be phased out, albeit less quickly.