When dividing the costs of a carpool, remember that there are more expenses than just gasoline. To be fair, all riders are expected to participate in cost sharing for the gasoline, tolls, parking, oil, service, and wear and tear. For help, refer to this guide from AAA.
Discuss total costs and division of expenses with your carpool group. Once you determine each person’s cost share, agree to the frequency of payment, a recurring date for payment and the payment method. Ensuring the costs and payment schedule are clear and fully agreed to can help avoid problems in the future.
If driving is rotated equally between carpoolers and their personal vehicles, no money needs to be exchanged.