The DOJ’s demand for data on more than 100,000 EZ Lynk users has ignited a fierce debate over diesel emissions enforcement ...

Mainstream diesel performance hit a home run when Dodge introduced the Cummins-powered Dodge Ram in 1989. In stock trim, the trucks were reliable yet underpowered, but it wasn’t long before ...

Despite the recent news that the Environmental Protection Agency (EPA) no longer lists emissions defeat devices as a top priority, there’s still no two ways about it: Tampering with a tune to defeat ...

Yet another tuning shop has been fined as part of the U.S. Environmental Protection Agency’s ongoing war on diesel emissions defeat devices. At the receiving end of the punishment this time around is ...

Two Michigan-based diesel tuning companies are facing US$10 million worth of civil penalties for their part in the manufacture, sale, and distribution of diesel-emissions defeat devices, a huge strike ...

Ford’s 6.7L Power Stroke and Ram’s 6.7L Cummins have outperformed GM’s 6.6L Duramax in 2026 diesel engine rankings, particularly in torque output. While the latest L5P Duramax boasts 470 horsepower ...