Reuters: The US government needs to move more quickly on plans to boost automobile fuel efficiency standards, improve efficiency of power plants and take hard action on heat-trapping greenhouse gases, the International Energy Agency said Friday. The IEA, energy advisor to 27 industrialized countries, applauded the US Congress for passing a law in December that boosts the fuel efficiency for cars and trucks for the first time since 1975. However, the IEA pointed out many European …