December 2, 2007 - ...plastic bags, and consumers could end up paying the bill.A conventional plastic bag costs about 2 cents to make, compared with 5 to 6 cents for a recycled paper sack and 6 cents or more for a bag made of compostable plastic, said Donna Dempsey, managing director of the Progressive Bag Alliance, a plastic bag industry lobbying group run out of Houston.Models for the nation?The plastic bag industry hopes that recycling programs, if passed in some major cities, could...