This is an interim report on a project funded by the Energy Foundation entitled “Deploying Electric Vehicle Charging Infrastructure to Improve Air Quality.” The intent of the project is to identify the vehicle segment for electrification that would benefit the Houston-Galveston, TX region the most toward ozone attainment. We argue that medium- and heavy-duty vehicles, mostly trucks, offer an often-overlooked opportunity.  This interim report aims to document our findings on:

1. The size of the NOx reduction opportunity
2. The spatial distribution of the reductions
3. The co-benefits of other pollutant reductions