Oil Energy
Energy derived from crude oil through combustion in power stations, vehicles, and heating systems.
Real World
The 1973 OPEC oil embargo quadrupled oil prices within months, triggering global recession and accelerating investment in nuclear and renewable energy — evidence of oil's strategic geopolitical power.
Exam Focus
Separate oil's role in electricity generation (minor) from transport (dominant) — conflating them is a common error that loses marks.
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