WASHINGTON—Senate Republican leaders left members from both ends of the party unsatisfied with their version of President Trump’s “big, beautiful bill,” touching off a fast round of new negotiations to hit their self-imposed deadline of putting the bill on his desk by July 4.

The Senate’s tax bill would boost baseload electricity — including nuclear and geothermal power — while slashing incentives for intermittent sources.

Senate Majority Leader John Thune said Senate Republicans are mulling legislation to address the historic number of federal rulings blocking

A Senate tax package softens some blows imposed on renewables by a House version of the bill. But it still terminates many credits for clean power.

The Senate is voting on legislation regulating a form of cryptocurrency called stablecoins. The bill is the first in what’s expected to be a wave of crypto-friendly legislation in Congress following the industry’s heavy spending in last year’s election.

A plurality of voters oppose the sweeping tax-and-spending legislation, with mixed opinions on specific provisions, according to a Washington Post-Ipsos poll conducted earlier this month.