Book excerpt: A suite of recent policy and legislative initiatives are prioritizing a shift towards electrification of the personal-use vehicle fleet. This agenda is intimately tied to another complex issue: the sustainability of the primary transportation funding source (i.e., the gas tax—also known as the motor fuel tax). What makes this particularly hard is that gasoline consumption is only a proxy for “amount of travel.” With diversification in fuel sources and a concerted movement towards non-fossil fuel sources to power vehicles, any specific fuel source would be (at best) a weak or (at worst) grossly inequitable representation for amount of travel. Toward an Integrated Transportation Pricing Approach Using Vehicle-based Technologies will focus on some of the larger questions for an integrated pricing system based on miles driven that are measured directly using vehicle-based or in-vehicle technology communicating directly with infrastructure systems. Click here to access the full SAE EDGETM Research Report portfolio. https://doi.org/10.4271/EPR2024003