The primary differences between the LML, L5P, LB7, and LBZ Duramax engines include different power outputs and varying levels ...

Why the next heavy-duty engine oil category matters for durability, maintenance planning and equipment decisions beyond 2027.

The new heavy-duty engine oil category, PC-12, is nearing the finish line. Here’s what fleet maintenance managers should know before it arrives in 2027.

The American Petroleum Institute (API) is finalizing PC-12 engine oil specs for 2027. Learn about CL-4 and FB-4 licensing ...

Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel. During combustion, the water rapidly vaporizes, triggering micro-explosions ...

Testimony as prepared for Todd Fornstrom, President of Wyoming Farm Bureau Federation, before the Senate Environment and ...

One of the components that contribute to the cost of fuel are the federal and state taxes added to the price of each gallon at the pump. And state taxes vary across the country, with some U.S. states ...

Inside a diesel engine's cylinder, compressed air raises the temperature to ignite injected fuel, and the resulting force drives pistons to power the vehicle's main gears. Chief to this combustion ...

Add Yahoo as a preferred source to see more of our stories on Google. Inside a diesel engine's cylinder, compressed air raises the temperature to ignite injected fuel, and the resulting force drives ...

A financially motivated threat group dubbed “Diesel Vortex” is stealing credentials from freight and logistics operators in the U.S. and Europe in phishing attacks using 52 domains. In a campaign that ...

A new rule weighs in on the use of unpermitted turbines at data centers like xAI’s Memphis, Tennessee-area facilities. A provision tucked inside an EPA regulation finalized last week could complicate ...

LOS ANGELES (KABC) -- The Los Angeles Police Department can no longer fire less-lethal foam rounds when confronting protesters. A federal judge found the department in contempt of a previous ruling ...