41.   But the U.S. Senate says it will not ratify the treaty unless it leads to emission reductions in the developing world.

42.   Chinese delegates were successful in getting out of the agreement a provision that would have made it easier for developing nations to voluntarily join in emission reductions.

43.   Canada has said it supports the pact, but wants credits for emission reductions opposed by European nations.

44.   Critics argue it will be difficult to verify such emission reductions.

45.   Debate at The Hague has focused on what extent countries should be able to rely on alternatives to actual emissions reductions to meet their targets.

46.   Engine manufacturers have said that such emission reductions would require sophisticated new pollution control devices, that need extremely clean diesel fuel to work properly.

47.   Ferretti said the study makes no distinction for greenhouse gases, the target of emissions reductions demanded by the Kyoto Protocol.

48.   It claims the emission reduction targets proposed in Kyoto would cost it massive job losses, and wage cuts for its workers.

49.   Many, including British Petroleum, have committed to specific carbon emission reductions.

50.   Most environmental groups applauded the emissions reductions, although some voiced concern about possible loopholes.