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Fuel Efficiency (MPG)

A measure of how far a vehicle can travel on a unit of fuel, typically expressed as miles per gallon (MPG) or liters per 100 km.

Fuel efficiency measures how effectively a vehicle converts fuel into distance traveled.

Units

  • MPG (US/UK): Miles per gallon β€” higher is better
  • L/100km (metric): Liters per 100 kilometers β€” lower is better
  • km/L (Japan, India): Kilometers per liter β€” higher is better

Conversion

MPG to L/100km: Divide 235.215 by MPG. Example: 30 MPG = 7.84 L/100km.

Factors Affecting Efficiency

Speed (optimal 45–65 mph), tire pressure, weight, aerodynamics, driving habits, maintenance, weather.

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