EPA quality monitoring

Aida Gonzalez Palomino

Regulatory framework

Results

EPA sulfur in gasoline test results
EPA oxygenates in gasoline test results
EPA RVP test results
EPA hydrocarbons in gasoline test results

This section describes the U.S. EPA’s gasoline quality monitoring program, a federal effort to ensure that gasoline sold in the U.S. meets regulated quality standards. Through a series of sampling, testing, and enforcement actions, the program aims to maintain the integrity of the fuel supply. Here, we present the results released by the Agency through 2024.

U.S.: overview of gasoline policy, market and quality

Current

This report covers quality specifications, observed quality and market issues of gasoline and gasoline-oxygenate blends sold in the U.S.

Publication date:05 Jul 2025

Last edit on:2025-07-24

Gasoline