to sustainable energy sources Sec. 321. Extension and modification of credits with respect to facilities producing energy from certain renewable resources. Sec. 322. Extension and modification of energy credit. Sec. 323. Permanent extension of qualifying advanced energy project credit. Sec. 324. Promoting access to renewable energy and energy efficiency for tax-exempt organizations. Part II—Saving consumers and businesses money by promoting energy efficiency Sec. 326. Permanent extension of energy efficient commercial buildings deduction. Sec. 327. Permanent extension of new energy efficient home credit. Sec. 328. Permanent extension and refundability of credit for nonbusiness energy property. Sec. 329. Permanent extension, modification, and refundability of credit for residential energy efficient property. TITLE IV—Electrifying the energy economy Subtitle A—General provisions Sec. 401. National zero-emission vehicle standard. Sec. 402. Carbon fee for aviation, maritime transportation, and rail. Sec. 403. Accelerating the deployment of zero-emission vehicles in communities. Sec. 404. Accelerating the deployment of zero-emission vehicle fleets. Sec. 405. Decarbonizing America’s highways. Sec. 406. Accelerating the deployment of zero-emission aviation, rail, and maritime transportation. Sec. 407. Accelerating the deployment of zero-emission residential and commercial heating. Subtitle B—Helping Americans move beyond oil Sec. 411. Permanent extension, increase, and refundability of credit for qualified new plug in electric drive motor vehicles. Sec. 412. Permanent extension of credit for hybrid medium- and heavy-duty trucks. Sec. 413. Extension of second generation biofuel producer credit. Sec. 414. Extension of special allowance for second generation biofuel plant property. Sec. 415. Extension and modification of the alternative fuel vehicle refueling property credit. TITLE V—Ending new fossil fuel investments Subtitle A—Ending new fossil fuel investments Sec. 501. Moratorium on new major fossil fuel projects.