41.   Kerry is also trying to build support for raising corporate average fuel economy standards by tying them to tax benefits for automakers, congressional aides said.

42.   Labor unions, environmental groups and consumer advocates argue that worker safety laws, fuel emission standards and waste disposal rules could all be judged impediments to fair trade.

43.   Last month, he helped defeat legislation that would have sharply raised fuel efficiency standards, a measure strongly opposed by automakers and unions.

44.   Most Democrats hold that the solution is conservation, particularly stiffer fuel efficiency standards for automobiles and trucks.

45.   Most Democrats hold that the solution is conservation, particularly stiffer fuel efficiency standards.

46.   Neither bill requires an increase in fuel efficiency standards for automobiles or for more efficient appliances, they say.

47.   Most political observers think this latest push to raise fuel standards will be as fruitless as previous ones.

48.   Murkowski dismisses the option of raising fuel efficiency standards, arguing that consumers buy cars based on safety or other practicalities.

49.   One additional hurdle for GM is the possibility of more stringent fuel economy standards, now being debated in the Senate.

50.   One decisive factor appeared to be strong support for drilling and opposition to substantially higher fuel efficiency standards among Democratic members of the Congressional Black Caucus.