Time Magazine: Many environmentalists — who spent the eight years of the Bush Administration in the cold — would agree. Obama announced tough new national standards for automobile emissions and fuel efficiency that essentially settled a long-running battle between environmentalists and the car industry in favor of the greens. Under the proposed rules, which would begin to take effect in 2012, new cars and trucks will need to have an average fuel efficiency of 35.5 m.p.g. (6.6 L/100 km) by 2016 — almost …