; (B) the near-term achievement of significant market penetration in deployment communities; and (C) supporting the achievement of significant market penetration nationally; (2) to establish regionally appropriate, interoperable models for the rapid deployment of zero-emission vehicles nationally, including regionally appropriate approaches for the cost-effective deployment of a sufficient quantity of single-family and multifamily residential, workplace, and publicly available charging infrastructure or zero-emission vehicle-refueling infrastructure; (3) to increase consumer knowledge and acceptance of, and exposure to, zero-emission vehicles; (4) to encourage the innovation and investment necessary to achieve mass market deployment of zero-emission vehicles; (5) to demonstrate the integration of zero-emission vehicles into electricity distribution systems and the larger electric grid while maintaining or improving grid system performance, security, and reliability; (6) to demonstrate protocols and communication standards that facilitate vehicle integration into the grid and provide seamless charging for consumers traveling through multiple utility distribution systems; (7) to investigate differences among deployment communities and to develop best practices for implementing vehicle electrification in various communities, including best practices for planning for and facilitating the construction of residential, workplace, and publicly available infrastructure to support zero-emission vehicles; (8) to collect comprehensive data on the purchase and use of zero-emission vehicles, including charging or refueling profile data at unit and aggregate levels, to inform best practices for rapidly deploying zero-emission vehicles in other locations, including for the installation of charging infrastructure or zero-emission vehicle-refueling infrastructure; (9) to reduce and displace petroleum use and reduce greenhouse gas emissions by accelerating the deployment of zero-emission vehicles in the United States