Diesel Research - Summaries of ARB Sponsored Research

This page last reviewed June 21, 2011

Diesel engines emit a complex mixture of gases and fine particles. The Air Resource Board is interested in diesel exhaust because it can contribute to air pollution. In addition, diesel exhaust contains a variety of harmful gases and over 40 substances that have been identified as hazardous air pollutants. In 1998 the ARB identified diesel PM as a Toxic Air Contaminant. ARB has funded research into many areas connected with diesel emissions.

View all of the lastest reports and ongoing contracts in our Research Projects Database Diesel Results page.

Over 50 research projects funded by ARB have been grouped into the following categories (the below PDF files were created August 2006):