Key Takeaways
- In 2022, the average energy efficiency of coal-fired power plants in the US reached 33%, up from 32.5% in 2020
- LED lighting efficiency has improved to 150 lumens per watt in commercial applications by 2023, compared to 100 lm/W for fluorescents
- Residential heat pump efficiency (COP) averages 3.5 in cold climates with modern inverter technology as of 2023
- US manufacturing output per BTU of energy doubled from 1985 to 2020
- Lean manufacturing reduces waste by 30-50% in assembly lines
- Predictive maintenance increases equipment uptime by 20%
- US GDP per hour worked rose 2.1% in 2022 due to efficiency gains
- Pareto principle shows 80% output from 20% inputs in firms
- Allocative efficiency maximizes welfare where P=MC
- Moore's Law doubled transistor efficiency every 2 years
- FLOPS per watt in supercomputers improved 100x since 1993
- SSDs offer 100x better energy efficiency than HDDs
- Average fuel efficiency of new US cars reached 28.4 MPG in 2022
- High-speed rail achieves 96% energy efficiency per passenger-km vs cars
- Electric trucks improve efficiency to 2.5 kWh/mile
Efficiency improvements across multiple industries are creating significant energy and productivity gains.
Computing Efficiency
Computing Efficiency Interpretation
Economic Efficiency
Economic Efficiency Interpretation
Energy Efficiency
Energy Efficiency Interpretation
Industrial Efficiency
Industrial Efficiency Interpretation
Transportation Efficiency
Transportation Efficiency Interpretation
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