A Different Kind of Alphabet Soup

Did you know that the API has completely redesigned heavy-duty diesel engine oil specifications? Starting December 1, 2016, for the first time ever, there will be TWO categories of HDEO product. Both categories address engine performance and one is specifically designed to improve fuel economy when used with newer diesel engine designs.
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Introduction to Diesel Exhaust Fluid (DEF)

In January 2010, the U.S. Environmental Protection Agency to meet requirement set by the Clean Air Act brought in new emissions standards requiring medium and heavy-duty vehicles to significantly reduce engine emissions, particularly NOx and particulate matter. Vehicle manufacturers decided to use a technology called selective catalytic reduction or SCR to meet these standards.  Continue reading “Introduction to Diesel Exhaust Fluid (DEF)”