Worst U.S. oil spill heightens debate over ways to feed nation 's energy needs . NEW : Senate shelves slimmed-down energy bill , blaming GOP opposition . CNN Congressional Producer Ted Barrett contributed to this report . The House passed a version of the legislation last week that would have given states more flexibility in how they use federal funds for alternative fuels and renewable energy. Senator says Sen. Harry Reid rushed bill through without trying to win GOP support .
Worst U.S. oil spill heightens debate over ways to feed nation 's energy needs . NEW : Senate shelves slimmed-down energy bill , blaming GOP opposition . The House passed a version of the legislation last week that would have given states more flexibility in how they use federal funds for alternative fuels and renewable energy. Senator says Sen. Harry Reid rushed bill through without trying to win GOP support .