(July 2, 2012) -- To ease tempests over alternative fuel tanks, the FTC has proposed to consolidate labels that inform consumers shopping for new alternative fuel vehicles. Currently, separate labels convey standards governed by the FTC, the Environmental Protection Agency and the National Highway Traffic Safety Administration. An amendment would merge the FTC labels with fuel economy labels required by the EPA and the NHTSA. It also would eliminate FTC labels on used alternative fuel vehicles....