WORCESTER — A City Council subcommittee is calling for a one-year postponement in National Grid's "smart grid" pilot program. By Nick Kotsopoulos TELEGRAM & GAZETTE STAFF The three-member Public Service and Transportation Committee unanimously voted Wednesday night to ask National Grid, the state Department of Public Utilities and the city Zoning Board of Appeals to consider a one-year delay in the installation of any more smart meters and the construction of any communications towers associated with the program. Committee members argued that a postponement is warranted because there are too many unanswered questions related to public health, security and privacy associated with the smart meter/grid program. Smart meters use wireless technology to track a customer's electricity consumption. read full article at: http://www.telegram.com/article/20140423/NEWS/304239484/1116