Republican Senator Joni Ernst has introduced an amendment to the U.S. Senate's tax and spending megabill that would change two of the most contentious parts of that bill and could give a small boost to wind and solar projects that had been targeted in the draft being debated on the Senate floor.

The U.S. Senate’s proposed cuts to clean energy subsidies in its version of President Donald Trump's tax and spending bill have drawn searing criticism from business and labor groups since they were unveiled over the weekend,