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Newsby News/Media ReleaseAugust 10, 2023

JohnDow Industries Unveils New Fuel Carrytanks

JohnDow has released the 40-gallon gasoline and DEF Carrytank, as well as 58-gallon diesel Carrytank.

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School Bus Fleet Blogby StaffJuly 6, 2023

Wheels of Wisdom: Understanding Diesel Exhaust Fluid (DEF)

Calling all experts in diesel engines and emission reduction! We need your expertise on Diesel Exhaust Fluid (DEF) and the systems that use it. Help us explore this revolutionary solution and its environmental impact. Share your knowledge and join the discussion today!

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ArticlesMarch 6, 2014

Web exclusive: Getting the most out of DEF

Understanding some basic facts about diesel exhaust fluid (DEF), such as its freezing point, the importance of using high-quality DEF and keeping it clean, and proper storage procedures, will go a long way in its efficiency in a selective catalytic reduction system.

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