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Commute Emissions Comparison

Enter your commute details to compare annual CO2 emissions and travel costs across transport modes.

Commute Details

Cost Inputs

How It Works

Emissions Factors

CO2 figures are per-passenger emission intensities (kg CO2-equivalent per km), including well-to-wheel lifecycle:

  • Gas car: 0.192 kg CO2e/km (average car, US/EU)
  • Electric car (EV): 0.053 kg CO2e/km (US average grid mix)
  • Bus: 0.089 kg CO2e/km per passenger (average occupancy)
  • Train: 0.041 kg CO2e/km per passenger (national rail average)
  • Bicycle: 0.005 kg CO2e/km (manufacturing and maintenance amortized)
  • Walking: 0.001 kg CO2e/km (food energy embodied emissions)
Cost Calculation
  • Gas car: (miles / mpg) * fuel price + $0.06/mi maintenance + parking
  • EV: (miles / mi per kWh) * electricity price + $0.03/mi maintenance
  • Bus / Train: fare per trip * trips per day * working days
  • Bicycle: $0.016/mi maintenance (tires, chain, tubes)
  • Walking: $0 (no operational cost)
These are estimates based on average factors. Actual emissions vary with vehicle model, local grid mix, driving style, and transit occupancy.

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