What is TDI technology? (Hint: Clean Diesels)

TDI stands for Turbocharged Direct Injection. Today’s TDI engines are “Clean Diesels”. The use of a computer controlled injection system, diesel particulate traps, oxidation catalyst, and other emission components, diesels can produce high fuel economy with low emissions. TDI engines can also run on biodiesel, usually B5 (5% biodiesel, 95% petroleum diesel). To learn more about TDI engines, click HERE.

Volkswagen, a leader in diesel technology for years, even won the 2009 Green Car of the Year with their Volkswagen Jetta TDI. Read the article HERE.

To illustrate how clean the emissions are at the tailpipe, Volkswagen produced the “Coffee Filter” ad. Even though the test would have been more practical (and scientific) using a new diesel without TDI technology and compared it to a new TDI engine, the ad is interesting. It shows how far diesels have come in 20+ years.

Volkswagen Clean Diesel Test
Volkswagen Clean Diesel Test

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Auto Upkeep 4th Edition

Michael Gray

Mike has roots in the automotive service industry. He began diagnosing and fixing cars at a young age in his family’s service station. He has worked in automotive parts supply stores, towing companies, and service facilities. After graduating from St. Cloud State University (MN) with a Bachelor’s degree, he implemented and taught a basic car care program at the high school level. During work on his Master’s degree at Illinois State University (IL), he was a curriculum specialist on a National Science Foundation project where he co-authored ten integrated mathematics, science, and technology books designed for team teaching. Mike has also supervised teachers in Career and Technology Education as a school system administrator.

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