Question 1

How do I calculate vehicle range?

Accepted Answer

Range = Fuel capacity × MPG. For EVs: Range = Battery kWh × miles/kWh. A 60 kWh battery at 3 mi/kWh = 180 mile range. Account for 10-20% buffer.

Question 2

What factors reduce EV range?

Accepted Answer

Cold weather: -20-40%. Highway speeds: -15-25%. AC/heating: -10-20%. Aggressive driving: -10-20%. Hills: varies. Full charge to 80% extends battery life but reduces range.

Question 3

Why does the US use MPG while others use L/100km?

Accepted Answer

MPG (higher = better) is intuitive for comparing. L/100km (lower = better) better shows fuel savings - halving consumption halves L/100km but doesn't double MPG.

Question 4

How does speed affect fuel economy?

Accepted Answer

Most vehicles are most efficient at 45-65 mph. Above 65 mph, every 5 mph increase is like paying an extra $0.20-0.30 per gallon.

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