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RAP developed a model rule for use by U.S. state and local air quality regulators to reduce nitrogen oxide (NOx) emissions from water heaters. This technical support document was published to assist regulators and staff in understanding and making… View Summary +
Fossil-fueled water heaters represent a significant uncontrolled source of nitrogen oxide (NOx) emissions, which have a variety of harmful environmental effects. RAP developed a model rule for use by U.S. state and local air quality regulators to reduce NOx emissions… View Summary +
State government agencies are becoming aware that there is more that they can do to reach communities that may be underserved by agency programs — communities of color, indigenous communities, and low-and moderate-income communities. This policy brief describes steps that… View Summary +
The rapid and parallel growth in both variable electricity production from wind and solar, and in large inherently flexible loads (such as electric vehicles and heat pumps) presents an opportunity to ensure that each transition is both reliable and affordable. View Summary +
The opportunity: If the over 50 million US homes that have central air conditioning and a separate heating system just replaced their AC with a look-alike and more efficient “two-way” heat pump unit, those households could not only cool over… View Summary +
Beginning in late 2021, RMI and National Grid jointly convened a series of facilitated collaborative workshops with stakeholders from the nonprofit and utility sectors across several regions, including RAP. This roundtable group explored what it may take to decarbonize the… View Summary +
If the video is not visible, please accept all cookies to enable the player. Amidst rising gas prices and groundbreaking US climate legislation, heat pumps are in the national spotlight. Now is the time to accelerate the deployment of… View Summary +
Millions of U.S. homes have central air conditioning for the summer and separate fossil fuel heating systems for the winter. A great way to boost home heating electrification is to replace those central air conditioners with look-alike “two-way” heat pump… View Summary +
This fact sheet, prepared as a poster for presentation at the ACEEE 2022 Summer Study on Energy Efficiency in Buildings, describes the concept of a model rule to reduce emissions of nitrogen oxides (NOx) from fossil fuel-fired water heaters,… View Summary +
In 2013, Marty Kushler, senior fellow at the American Council for an Energy-Efficient Economy (ACEEE), gave a presentation in Chicago on gas efficiency programs. He argued that one should not make decisions about programs with lengthy multi-year effects based on… View Summary +