Underscoring that, the WSJ article notes that "Waze’s current pilot charges riders at most 54 cents a mile". This is equal to the federal standard mileage reim

Underscoring that, the WSJ article notes that "Waze’s current pilot charges riders at most 54 cents a mile". This is equal to the federal standard mileage reimbursement rate for 2016 (https://www.irs.gov/uac/newsroom/2016-standard-mileage-rates-for-business-medical-and-moving-announced https://www.irs.gov/uac/newsroom/2016-standard-mileage-rates...). Which suggests they're trying to aim for exactly that, using an established standard for the per-mile cost.