Clean Diesel Fuel Alliance Information Center
- Offers news and information concerning the move towards cleaner-burning diesel fuel in the United States. Covers frequently-asked questions, benefits of cleaner fuel, and its effects on engines.
- http://www.clean-diesel.org/

Diesel Forecast
- Covers clean diesel research and developments. Also covers the development of future petroleum-based and alternative diesel fuels will be generated from North America and Europe.
- http://www.dieselforecast.com

Advances in Diesel Engine Technology
- Insights about Diesel engine technology and applications. Addresses Exhaust Gas Recirculation (EGR), common-rail fuel injection, supercharging and controls.
- http://www.cleanairfleets.org/advances.html

Diesel Technology Forum
- Organization of diesel engine manufacturers, fuel suppliers, exhaust after-treatment manufacturers. Includes comprehensive information on the technology and its applications.
- http://www.dieselforum.org/

Wikipedia - Diesel Engine
- Free encyclopedia article covers diesel engine technology and applications. Addresses technical and historical background, types and characteristics, support systems and parts.
- http://en.wikipedia.org/wiki/Diesel_engines

Dieselmann's Page
- Help and advice on Ford and Navistar (IH) diesel engines for owners and technicians. Includes service advices and checklist, parts, symptoms, repair tips, glossary and links.
- http://www.intellidog.com/dieselmann/

How Diesel Engines Work
- Explains the technical basics of Diesel engines. Includes useful animations and pictures. [HowStuffWorks]
- http://www.howstuffworks.com/diesel.htm