Bills dealing with air-pollution regulation have met different fates in the House and Senate. The Republican-controlled House on April 7 passed a bill to bar the Environmental Protection Agency from moving ahead with greenhouse-gas rules. But in the Senate, where Democrats have a majority, four air-pollution-related measures, including one identical to the House-passed bill, on April 6 failed to win the 60 votes needed to advance.
EPA: House, Senate Split on Clean-Air Regulation Measures
April 13, 2011