House Republicans are eyeing tariff revenue, clawbacks of clean energy incentives and savings from President Donald Trump’s Department of Government Efficiency as potential alternatives to the steep Medicaid cuts they’re considering as part of their sweeping domestic policy package, according to three people familiar with the conversations.

Republicans are weighing billions of dollars in cuts to Medicaid, jeopardizing health care coverage for some of the 80 million U.S. adults and children enrolled in the safety net program.

Republican lawmakers could try to siphon billions of dollars from the nearly-free health care coverage offered to the poorest Americans.