The Trump administration is demanding warranty and failure data from top manufacturers in an effort to end truck engine ...
The EPA questions if diesel DEF de-rates are essential for emissions compliance. Could changes be on the horizon? Discover ...
The EPA is escalating its response to consumer complaints regarding DEF system failures, announcing a new investigation aimed ...
The EPA is considering eliminating the "limp mode" rule for diesel engines, a feature that drastically slows trucks and ...
The U.S. Environmental Protection Agency is ramping up its pressure on engine makers to fix persistent persistent diesel ...
Following Monday’s right-to-repair announcement, EPA is demanding DEF failure data from engine makers, targeting shutdowns ...
The Environmental Protection Agency is requiring 14 major diesel engine manufacturers to provide detailed information about ...
The federal agency is demanding failure and repair data from manufacturers to "hold [them] accountable for the continued system failures." ...
Since 2010, diesel-powered on-highway trucks in North America have been using selective catalytic reduction (SCR) as an exhaust after-treatment technique to control nitrogen-oxide (NOx) emissions. And ...
With 2020 being dominated by challenges caused by COVID-19, some diesel-powered vehicles have likely been out of service for a long time. This includes buses, motorcoaches, trucks, and other fleet ...