This figure is derived from the number of trips people saved by not driving alone.
This figure is derived from the number of trips saved when a person uses alternative transportation in place of a car.
Pounds of Carbon Dioxide per mile is calculated by using the formula: 0.98 * x where x = number of miles
Based on AAA's 'Your Driving Costs' study in 2011. The cost per mile is based on driving a medium
sized sedan approximately 15,000 miles per year. The cost includes all costs of driving (ownership, maintenance, gas, etc.).
Savings in dollars is calculated by using the formula: 0.573 * x where x = number of miles