H.R. 21 would prohibit drawdowns and sales from the Strategic Petroleum Reserve, except during severe interruptions of the energy supply, unless the Department of Energy (DOE) developed a plan to increase the share of federal land that is leased for oil and gas production. The bill would direct DOE to develop such a plan in consultation with the Departments of Agriculture, Defense, and the Interior. CBO anticipates that, over the 2023-2033 period, no drawdowns under current law would be subject to the bill’s provisions.