Category Archives: Energy Efficiency

The MPG Illusion

Assume that you have two cars; an SUV and a compact car. Both cars are aging but you can only afford to replace one. Assume further, that like many families, you still require at least one car with a carrying … Continue reading

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New CAFE standards: 54.5 MPG in 2025

The Obama Administration recently approved new Corporate Average Fuel Economy (CAFE) standards for 2017 – 2025. The new standards are an extension of the 2012 – 2016 CAFE standards. The announcement of 54.5 MPG by 2025 certainly raised some eyebrows. Let’s take a look at what the new … Continue reading

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Load Factor

Load factor is the ratio of average demand to peak demand, typically measured in megawatts (MW) on a system wide level. It is a useful metric to show how much of the entire electric delivery system capacity is being used … Continue reading

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Energy Consumption by Sector in the United States

The primary source of energy in the United States has only changed three times in the nation’s history. The U.S. relied largely on wood for cooking and heating until nearly the turn of the twentieth century when coal became the primary energy source … Continue reading

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