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Energy-efficient

Societal impact

Integration of energy efficiency and conservation across society

Absence of event

Oil crisis

Fossil fuels status

Back seat

Impact on lifestyle

Shaping the way people live, work, and use energy

Technology evolution

Faster pace

Alternate timeline focus

Energy efficiency

Government investment start

1920s

Mandatory standards introduction

Appliances (1940s) • Electric vehicles (1950s)

Lower energy consumption and emissions

Yes

Energy-efficient