Against a backdrop of generally gloomy sales forecasts and belt-tightening, a chorus of optimism rose from automakers at the Paris show as the technical hurdles of hybrids, plug-ins and electric vehicle development -- primarily involving the cost and capacity of advanced-chemistry batteries -- are gradually being overcome. "Two years ago nobody said an electric vehicle was even possible," said Pitt Moos, marketing manager for Smart USA. "Today everybody is saying, 'We're going to make one.' "
