activities to assess alternative fuel transmission and delivery technical barriers. The request shall identify research barriers associated to existing electric transmission and distribution systems to the distribution of alternative fuels and the deployment of alternative fuel recharging and refueling capability, at economically competitive costs of alternative fuel for consumers, including research to address— (1) electric grid load management and applications that will allow bidirectional batteries in plug-in electric drive vehicles to be used for grid storage, ancillary services provision, and backup power