The third edition of the Emissions and Product Guidebook is available in digital form from Clean Air Systems. The book includes hyperlinks to online air quality web sites and original data. With up-to-date regulatory information and an emphasis on rulings pertaining to diesel and natural gas stationary engines, the guidebook is distributed at no cost to qualified companies, engine dealers, air pollution professionals and environmental consultants.

The 75-page book offers links to EPA and CARB rulings, an emissions control FAQs, glossary of terminology, funding resources, and more.

To request the Emissions and Product Guidebook go to