The Positive Crankcase Ventilation (PCV) system rarely gets attention until something goes wrong, but mechanics are ...

Modern trucks rely heavily on precise fuel delivery systems to maintain performance, fuel economy, and emissions control.

Hondas are known for their reliability, but like any other complex machine, they can run into the occasional issue. One of these is the dreaded "Check Emission System" or "Emissions System Problem" ...

Few engine and vehicle debuts have been anticipated with the same level of excitement as the 5.0L Cummins-powered Nissan Titan XD. For years, Cummins has produced some of the best diesel motors ever ...

The U.S. Department of Justice has ordered a recall of 600,000 Ram trucks as part of a settlement that directs engine maker Cummins Inc. to remedy environmental damage it caused when it illegally ...

The Engine Technology Forum’s new online hub aims to provide fleets, policymakers, and equipment owners with fact-based information about selective catalytic reduction technology, diesel ...

SAN ANTONIO — November 12, 2025 — Southwest Research Institute (SwRI) has developed a method to automate the calibration of heavy-duty diesel truck emissions control systems using machine learning and ...

GRAND RAPIDS, MI – A man was sentenced to one year on probation and fined $4,000 for his part in a scheme to bypass emissions controls on heavy-duty diesel engines. Robert Swainston, 50, of Hopkins, ...

Internal combustion engines remain a cornerstone of global transport and power generation, yet they are also significant sources of regulated pollutants including nitrogen oxides (NOx), particulate ...

California Attorney General (AG) Rob Bonta and the California Air Resources Board (the Board) have reached a $46 million agreement with engine manufacturer Cummins Inc. to settle alleged violations of ...