HARRISBURG, Pa. Pennsylvania is poised to adopt pollution standards that would require new cars to be cleaner-burning a year from now and put the state in lockstep with California's efforts to impose even more stringent requirements by 2009. Smog-reduction rules expected to be adopted for the 2008 model year would have little or no impact on the price of cars or the way they drive, state and industry officials say. But more stringent greenhouse-gas reductions being sought by California on 2009 model-year cars would result in higher car prices, though advocates and opponents disagree about the amount. Automakers also say...