Hosted on MSN

DEF Dash Light On: What Causes It and When To Panic

Diesel, once a bastion of the future and a savior of fuel economy, has found itself in a very different place since the industry-shaking Diesel Gate incident of 2015. It went from what was seen as the ...
AutoGuide

EPA Eliminates Frustrating Diesel DEF System Rule

The U.S. Environmental Protection Agency is working to fix a long-standing headache for diesel truck and equipment operators: power cuts triggered by low diesel exhaust fluid levels. New rules will ...
GM Authority

EPA To Investigate Diesel Engine DEF System Failures

The U.S. Environmental Protection Agency (EPA) is escalating its response to consumer complaints regarding Diesel Exhaust Fluid (DEF) system failures, announcing a new investigation aimed at major ...
Truckinginfo

EPA Acts to Curb Sudden DEF-Related Diesel Engine Derates

The Environmental Protection Agency announced it is taking actions to ease the frustration and disruptions around sudden “derates” of diesel engines when they run out of diesel exhaust fluid or have a ...
Truckinginfo

EPA Wants to Know: Are DEF De-Rates Really Needed for Diesel Emissions Compliance?

The Environmental Protection Agency is asking diesel engine makers to provide information about diesel exhaust fluid system failures as it considers changes to emissions regulations. The move is a ...
Transport Topics

EPA Gives Engine Makers 30 Days to Provide DEF System Data

The data collected will allow EPA to independently evaluate ongoing system failures. As of Feb. 2, engine manufacturers have 30 days to provide EPA with data on model years 2016, 2019 and 2023 ...