This chapter presents the budget estimates and program justifications for the Department of Housing and Urban Development (HUD). HUD’s core mission is to promote adequate and affordable housing, economic opportunity and a suitable living environment free from discrimination. The 2001 Budget for HUD reflects the successful implementation of a multiyear comprehensive reform effort which has helped restore the effectiveness and financial integrity of the Department’s critical affordable housing and economic development initiatives. Building on the success of these reforms, Congress and the Administration have provided significant increases in key HUD programs over the past two years. The 2001 Budget will continue these historic successes by providing the Department with the tools to fulfill its fundamental strategic goals: increasing the availability of decent, safe and affordable housing in American communities (including the enhancement of homeownership opportunities, especially for minorities and first-time homebuyers, the transformation of public housing and the expansion of housing assistance to alleviate severe housing needs); ensuring equal housing opportunity; promoting self-sufficiency and asset development of families and individuals (including moving homeless families to self-sufficiency through locally-developed continuum of care strategies and contributing to the success of welfare-to-work efforts); and improving community quality of life and economic vitality through locally-driven initiatives and programs. The 2001 budget provides increases for two successful block grant programs which serve HUD’s fundamental affordable housing and economic development missions—the Community Development Block Grant (CDBG) and the HOME Investment Partnerships programs. These programs provide states and localities with formula funding pursuant to locally-developed consolidated plans for a wide variety of activities which benefit low and moderate-income families. The Community Development Loan Guarantee program (under Section 108 of the Housing and Community Development Act of 1974) will be continued with level funding and a slightly increased loan guarantee limitation. The Economic Development Initiative will also be maintained. Grants for Urban Empowerment Zones will continue support for ten-year plans to provide new job opportunities and community revitalization in 15 urban areas. The Rural Housing and Economic Development program will be continued at an increased level. HUD’s Homeless Assistance programs will be funded at an increased level to enable communities to continue their development and implementation of comprehensive coordinated continuum of care systems to address the needs of homeless people and families. This funding includes 18,000 rental assistance vouchers designed to provide affordable permanent housing for formerly homeless individuals and families in order to provide a stable living environment, a critical necessity for maintaining access to needed services and providing access to employment opportunities. HUD’s Continuum of Care approach recently received the prestigious 1999 Innovations in Government award from the Harvard University’s John F. Kennedy School of Government and the Ford Foundation. The 2001 Budget maintains the Federal commitment to replacing distressed and obsolete public housing with attractive, mixed-income communities and creating new economic opportunities for residents. Consistent with this commitment and with a special focus on replacing projects that have been determined to be non-viable, the HOPE VI program will receive a significant increase from last year’s enacted level. The 2001 Budget provides $3,192 million for the Public Housing Operating Fund, which helps to maintain good quality housing, and provides a slight increase for the Public Housing Capital Fund, which helps modernize and improve the housing stock. The 2001 budget includes 120,000 incremental vouchers that will help address the severe housing needs of low-income households. These vouchers are necessary to address the continued increase in the number of families nationwide which have worst case needs for housing assistance, including extremely-low income families currently paying more than half their income for rent or living in severely inadequate living conditions. The Administration reaffirms its long-held commitment to renew all expiring Section 8 contracts, to protect residents from displacement by substantially increasing funding for Section 8 renewals, to provide Section 8 tenant-based assistance for displaced families, and for the replacement of affordable housing due to opt-outs from the project-based Section 8 program. The Administration also continues its support for the Department’s successful Housing for Persons With HIV/AIDS program (HOPWA) by providing increased funding to prevent thousands of persons with HIV/AIDS from becoming homeless. This increase is necessary to continue to provide stable housing and services in existing local programs and fund new jurisdictions as they become eligible for formula funding due to the continued increase in the number of AIDS cases. Building on last year’s successful adoption of the Housing Security Plan for Older Americans, the Housing for the Elderly program (under Section 202 of the Housing Act of 1959) will receive a substantial increase, including an increase in capital funding to convert existing housing to assisted living with services and an increase for construction of new affordable assisted living. The Housing for Persons with Disabilities (under Section 811 of the National Affordable Housing Act of 1990) will receive additional funding. In support of the Administration’s strong commitment to increase homeownership opportunities, the 2001 budget includes major support to help lowand moderate-income American families become homebuyers. The budget will increase the Federal Housing Administration’s (FHA) maximum mortgage loan limits, allowing Single Family insurance to cover loans up to the same level as the Fannie Mae and Freddie Mac (GSEs) limits. (Currently FHA can insure home mortgages only up to 87 percent of the GSE limits in high cost areas and only up to 48 percent in low-cost areas, including approximately 2,200 rural counties throughout the Nation). In addition, the budget authorizes FHA to develop new adjustable rate mortgage products. These provisions will provide much-needed assistance to first-time homebuyers, minorities, and other underserved populations. Increased funding for the Fair Housing Assistance and Fair Housing Initiatives programs (FHAP and FHIP) will strengthen the ability of public and private fair housing groups, and partnerships between them, to enforce the laws protecting all Americans against illegal housing discrimination. In order to ensure the effective implementation of its programs, the Department’s Office of Policy Development and Research (PD&R) will be provided with a budget increase. These additional funds are necessary to ensure timely provision of data, research and analysis of national housing and economic conditions, and to measure the performance of pro-

The Department of Housing and Urban Development

: Access to nitrogen-based fertilizers is critical to maximize agricultural yield, as nitrogen is the most common rate-limiting nutrient. Nearly all nitrogen-based fertilizers rely on ammonia and nitric acid as feedstocks, and thus the demand for these chemicals is heavily dependent on the global population and food demand. Over the next three decades, the global population will continue to dictate the market size and value for ammonia and nitric acid, which consequently will have a signi ﬁ cant impact on our energy infrastructure. Here, we discuss the potential for carbon-free electrocatalytic nitrogen reduction, nitrogen oxidation, and nitrate reduction to meet fertilizer manufacturing demands. We also explore various growth scenarios to predict the 2050 market size and value for ammonia and nitric acid. We highlight that if the current approaches for manufacturing ammonia and nitric acid remain constant, carbon emissions from the production of ﬁ xed fertilizer feedstocks could exceed 1300 Mt CO 2eq /yr, prompting a strong need for green alternatives.

Ammonia and Nitric Acid Demands for Fertilizer Use in 2050

The iron and steel industry is the largest coal consumer and the most greenhouse gas intensive industry. It consumes about 7% of global energy supply, and conservative estimates report that it is responsible for 7–9% of global greenhouse gas emissions. Decarbonization of the iron and steel industry is thus vital to meet climate change mitigation targets and achieve a sustainable future for the industry. This paper presents a comprehensive and systematic review that considered more than 1.6 million pieces of literature and analyzes in depth a shortlist of 271 studies on the iron and steel industry's decarbonization. Applying a sociotechnical lens that investigates raw materials, iron and steel making processes, steel products making and usage, and waste and recycling, the review identifies the climate footprint of the iron and steel industry. The review also assesses current and emerging practices for decarbonization, identifying 86 potentially transformative technologies. The benefits of decarbonizing the iron and steel industry are considered through energy and carbon savings, financial savings, and other environmental and public health benefits. Barriers to decarbonization are considered across financial, organizational, and behavioral aspects. The review also discusses various financial tools and policy instruments that can help overcome the barriers. Lastly, research gaps are outlined. 

Decarbonizing the iron and steel industry: A systematic review of sociotechnical systems, technological innovations, and policy options

Hydrogen liquefaction and storage: Recent progress and perspectives

Current power systems are still highly reliant on dispatchable fossil fuels to meet variable electrical demand. As fossil fuel generation is progressively replaced with intermittent and less predictable renewable energy generation to decarbonize the power system, Electrical energy storage (EES) technologies are increasingly required to address the supply-demand balance challenge over a wide range of timescales. However, the current use of EES technologies in power systems is significantly below the estimated capacity required for power decarbonization. This paper presents a comprehensive review of EES technologies and investigates how to accelerate the uptake of EES in power systems by reviewing and discussing techno-economic requirements for EES. Individual EES technologies and power system applications are described, which provides guidance for the appraisal of specific EES technologies for specific power system services. Plausibly required scales and technology types of EES over different regions are then reviewed, followed by discussions on storage cost modelling and predictions for different EES technologies. Opportunities and challenges in developing scalable, economically viable and socio-environmental EES technologies are discussed. The paper explores EES's evolving roles and challenges in power system decarbonization and provides useful information and guidance on EES for further R&D, storage market building and policy making in the transition to zero-carbon power systems.

Technologies and economics of electric energy storages in power systems: Review and perspective

To decarbonize industry, we must decarbonize heat

Potential energy savings achievable by using isothermal dehumidification instead of conventional air conditioning systems are modeled on a technology-agnostic basis. First, we use simple thermodyna...

The potential for energy savings in U.S. houses by using isothermal dehumidification

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To decarbonize industry, we must decarbonize heat

The potential for energy savings in U.S. houses by using isothermal dehumidification