Methodology for Estimating Emissions and Air Quality Impacts in Port Drayage

Published on August 20, 2026

As electric trucks enter operations, companies are increasingly looking to quantify their impact for decision-making and reporting. However, differences in methodologies, assumptions, and data quality make it difficult to compare results across regions, partners, and projects.
This methodology outlines a practical, consistent approach to estimate and compare emissions from diesel and battery-electric drayage operations. It is designed to support companies across the value chain, shippers, carriers, and logistics providers, in evaluating opportunities, prioritizing deployment, and communicating impact with confidence.