Fueling America's Security and Transportation with Electricity Act of 2021 or the FAST Electricity Act This bill expands the tax credit for plug-in electric drive motor vehicles to include a 30% credit for additional electric transportation options capable of moving passengers, cargo, or property and powered by an integrated, on-board electric propulsion system. It also allows a credit for recharging and hydrogen refueling property and provides loan guarantees for transportation electrification domestic manufacturing facilities.