The Gas Tax Is Dying — Here Is What the Car Industry Wants to Replace It

Higher fuel efficiency and declining gas-powered vehicle sales are destroying the federal gas tax. Here is the specific revenue crisis and what the auto industry's alternative would mean for drivers.

The Revenue Problem That Nobody Wants to Fix

The federal gasoline tax has been 18.4 cents per gallon since 1993 — 33 years without adjustment for inflation in a period when inflation has reduced its real value by approximately 50%. In 1993, 18.4 cents per gallon generated specific revenue adequate to fund a significant portion of federal highway and bridge maintenance. In 2026, it generates approximately $26 billion annually — substantially less than what the federal Highway Trust Fund requires to maintain the existing infrastructure network, let alone address the specific deferred maintenance backlog that the American Society of Civil Engineers has been documenting for years.

Fox News Live reported in April 2026 that a head of an auto industry trade group is arguing for "ditching the federal gasoline tax and replacing it with something else" — citing specifically the compound problem that higher fuel efficiency and a lower share of gas-powered vehicles is creating: "Higher fuel efficiency and a lower share of gas-powered vehicles is a bad combination when it comes to paying to repair the nation's infrastructure."

The specific mathematics are straightforward: a vehicle averaging 28 MPG pays the gas tax 53% less often than a vehicle averaging 13 MPG for the same miles driven. An EV pays no gas tax at all. As average fleet fuel economy rises — driven by both federal standards and the specific market shift toward EVs and hybrids — the specific revenue generated per vehicle mile traveled decreases. The Highway Trust Fund began running structural deficits in 2008; Congress has made periodic general fund transfers to cover the gaps, but the structural mismatch is widening.

The Alternatives: What Would Replace the Gas Tax

The primary proposed alternative to the gasoline tax is Vehicle Miles Traveled (VMT) fees — charging drivers a specific rate per mile driven rather than per gallon purchased. A VMT system would maintain revenue proportional to road usage regardless of the vehicle's specific fuel source or efficiency, solving the structural problem that declining gasoline consumption creates.

The specific implementation challenges of a VMT system are significant. Privacy concerns — a VMT system requires tracking specific vehicle location to record the specific miles driven in specific jurisdictions — have been the primary consumer objection in pilot programs. The particular technology required to implement per-mile charging while protecting driver privacy is either expensive (proprietary odometer reading systems with privacy protection) or imperfect (GPS-based systems whose specific location data creates the particular surveillance concern that privacy advocates focus on).

Oregon, Utah, and Virginia have operated specific VMT pilot programs that have provided real-world data on enrollment rates, privacy protection approaches, and the particular revenue projections that actual VMT usage generates. Oregon's specific OReGO program — the country's longest-running VMT pilot — has demonstrated that drivers who opt in tend to drive similarly to comparison groups, validating the specific revenue projection models.

The Iran War Cost That Makes This Worse Now

The specific timing of the gas tax reform conversation in April 2026 involves the particular irony of $4 per gallon gasoline. Gas at $4 per gallon generates more gas tax revenue than gas at $3.20 per gallon — the specific pre-war price — because the specific 18.4 cents represents a smaller share of the total pump price. Gas at $4 per gallon generates the same 18.4 cents; there's no percentage increase in federal revenue from the price increase, only the specific volume effect if higher prices reduce miles driven.

The specific Iran war price elevation that has pushed gas to $4 per gallon simultaneously makes the gas tax argument more urgent (EVs avoiding the specific road-use contribution while benefiting from the same roads) and makes VMT fee reforms politically difficult (drivers paying $4 per gallon are already the specific political constituency most resistant to additional transportation charges).

For the infrastructure investment that the Highway Trust Fund is supposed to support: specific bridges rated structurally deficient number approximately 43,000 across the United States. The specific repair cost estimate for the overall deferred maintenance backlog exceeds $400 billion. The revenue gap created by the gas tax's structural inadequacy is the particular fiscal reality that the auto industry trade group's specific proposal is attempting to address, whatever the political difficulty of doing so at $4 gas.