The EPA is trying to make DEF more user friendly for truckers and farmers by extending the time period before de-rate and shutdown occurs. They're asking engine manufacturers for warranty and failure data related to both those conditions. They're also pushing towards the owner's "right to repair", by allowing owners access to specific tools and software.
DEF definitely seems to clean up exhaust emissions and pollution but it shouldn't be at a cost to owners that makes them want to delete the entire system over repairing it. We have very little trouble with it in some equipment. In equipment that doesn't get used in the winter, we drain the DEF tanks to prevent damage to the components inside the tank from the DEF freezing and turning into a block of ice. We had a 3/4 ton truck that encountered the same problem twice(once on warranty and once off), needless to say the DEF system WAS deleted, now it's a stinky diesel. In my opinion, the EPA needs to address the COST OF REPAIRS to keep people from WANTING TO DELETE the system entirely. Freezing temperatures are not friendly to DEF systems. Why hasn't there been a DEF developed that won't freeze?
Developing a DEF that wouldn't freeze, allowing owners access to software and diagnostic tools, extending de-rate and complete shutdown times, and REDUCING THE COST of repairs would go a long way to improving the DEF emissions and pollution system's reputation and the publics acceptance of the technology.
DEF definitely seems to clean up exhaust emissions and pollution but it shouldn't be at a cost to owners that makes them want to delete the entire system over repairing it. We have very little trouble with it in some equipment. In equipment that doesn't get used in the winter, we drain the DEF tanks to prevent damage to the components inside the tank from the DEF freezing and turning into a block of ice. We had a 3/4 ton truck that encountered the same problem twice(once on warranty and once off), needless to say the DEF system WAS deleted, now it's a stinky diesel. In my opinion, the EPA needs to address the COST OF REPAIRS to keep people from WANTING TO DELETE the system entirely. Freezing temperatures are not friendly to DEF systems. Why hasn't there been a DEF developed that won't freeze?
Developing a DEF that wouldn't freeze, allowing owners access to software and diagnostic tools, extending de-rate and complete shutdown times, and REDUCING THE COST of repairs would go a long way to improving the DEF emissions and pollution system's reputation and the publics acceptance of the technology.
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