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The document outlines the economic and environmental benefits of energy efficiency in North Dakota, asserting that such measures can reduce carbon pollution, save residents money, and improve public health. It specifically highlights the potential for North Dakota to meet over 20% of its carbon reduction goals under the EPA's Clean Power Plan through popular efficiency policies.

The document outlines the economic and environmental benefits of energy efficiency in Nebraska, asserting that such policies can help the state meet approximately 50% of its carbon pollution reduction goals under the EPA's Clean Power Plan. It projects that by 2030, a combination of 1% annual energy savings, national model building codes, and 40 MWs of new combined heat and power could avoid over 4 million tons of CO2 and save Nebraskans more than $382 million.

The fact sheet outlines the economic and environmental benefits of energy efficiency in New Mexico, stating that specific policies could save residents $645 million and avoid 3.8 million tons of CO2 by 2030.

The document outlines the economic and environmental benefits of energy efficiency in Nevada, stating that achieving annual energy savings of 1% could avoid 2.6 million tons of CO2 and save residents $466 million by 2030.

The fact sheet outlines the economic and environmental benefits of energy efficiency in Ohio, asserting that specific policies could help the state meet 78% of its carbon pollution goals under the EPA's Clean Power Plan and save residents $7.4 billion by 2030.

The document outlines the economic and environmental benefits of energy efficiency in Oklahoma, stating that specific policies could help the state meet 87% of its carbon pollution goals under the EPA's Clean Power Plan. By 2030, a combination of annual energy savings, model building codes, energy service contracts, and 40 MWs of combined heat and power could avoid over 10 million tons of CO2 and save Oklahomans $288 million.

The fact sheet outlines the economic and environmental benefits of energy efficiency policies in Pennsylvania, asserting that such measures can help the state meet a significant portion of its carbon reduction goals under the EPA's Clean Power Plan while saving residents billions of dollars by 2030.

The document outlines the economic and environmental benefits of energy efficiency in South Carolina, asserting that specific policies could help the state meet nearly half of its carbon pollution goals under the EPA's Clean Power Plan. It highlights that combining private sector energy service contracts, national model building codes, and 100 MWs of new combined heat and power could avoid over 4.8 million tons of CO2 by 2030 and save residents $1.2 billion by the same date.

The fact sheet outlines the potential environmental and economic benefits of energy efficiency in South Dakota, asserting that specific policies could help the state meet its carbon reduction goals under the EPA's Clean Power Plan while saving residents money.

The document outlines the economic and environmental benefits of energy efficiency in Tennessee, asserting that specific policies can help the state meet carbon pollution goals and save residents money.

The document outlines the economic and environmental benefits of energy efficiency in Texas, stating that specific policies could save the state $5.5 billion and significantly reduce carbon and air pollutants by 2030.

The document outlines the economic and environmental benefits of energy efficiency in Utah, stating that specific policies could save residents $5.8 billion on utility bills and avoid 4 million tons of CO2 by 2030.

The document outlines the economic and environmental benefits of adopting energy efficiency policies in Virginia, asserting that such measures can help the state meet 85% of its carbon pollution reduction goals under the EPA’s Clean Power Plan. It highlights that specific interventions—including private sector energy service contracts, national model building codes, and 100 MWs of new combined heat and power—could avoid over 7 million tons of CO2 and save Virginians $1.8 billion by 2030.

This fact sheet outlines the economic and environmental benefits of implementing energy efficiency policies in Wisconsin. It asserts that such measures can help the state meet a significant portion of its carbon pollution goals under the EPA's Clean Power Plan while providing substantial financial savings for residents and government entities.

The document outlines the economic and environmental benefits of energy efficiency in West Virginia, stating that specific policies could save the state $410 million and avoid over 5 million tons of CO2 by 2030. It emphasizes that these measures would assist in meeting 26% of the state's carbon pollution reduction goal under the EPA's Clean Power Plan and significantly reduce nitrogen oxide and sulfur dioxide emissions.

The document outlines the economic and environmental benefits of energy efficiency in Wyoming, specifically highlighting how an annual energy savings target of 1.5%, national model building codes, and 40 MWs of new combined heat and power could avoid 2.6 million tons of CO2 and save residents over $2 billion by 2030.

The document provides a technical breakdown of CO2 emissions standards measured in grams per ton-mile and grams per brake horsepower-hour for various vehicle classes and engine types between 2014 and 2027. It covers combination tractors (day and sleeper cabs), vocational vehicles, and trailers, categorized by weight classes (Class 2b through 8) and roof heights. The data shows a general trend of decreasing allowable CO2 emissions across all categories over the specified timeframe.

In 2021, wind and solar power reached a record 10.3% of global electricity generation, with solar growing by 23% and wind by 14%. However, a massive surge in global electricity demand—the highest absolute increase ever recorded at 1,414 TWh—outpaced clean energy growth. Consequently, coal generation hit a new historical peak of 10,042 TWh, accounting for 36% of global electricity and driving power sector CO2 emissions to a record 778 million tonnes, a 7% increase over 2020.

In 2021, wind and solar power reached a record 10.3% of global electricity generation, with total clean energy accounting for 38%. However, a 5.4% surge in global electricity demand—driven largely by economic growth in Asia—led to a record increase in coal power, which grew by 9.0% to reach 10,042 TWh. Consequently, power sector CO2 emissions rose by 7% in 2021, the largest percentage increase since 2010, surpassing pre-pandemic levels.

The document outlines Ember's methodology for assembling electricity data for 215 countries. It describes the use of multiple sources—including Eurostat, ENTSO-E, the Energy Institute, and the U.S. Energy Information Administration—to reconcile annual and monthly time series. The guide explains how Ember handles data gaps through ARIMA-based projections, disaggregates thermal generation using IEA and EI ratios, and calculates lifecycle emissions using IPCC and UNECE factors. It also provides a comprehensive country-by-country breakdown of the specific sources and adjustments applied to each national dataset.