As the 2027 EPA mandate looms, OEMs are still proving that advanced diesel engines are the most efficient way to keep fleets ...

A new study led by Nigerian researchers suggests a simple ingredient could make diesel engines cleaner: water. By blending precise amounts of water with diesel fuel, scientists have shown that ...

A team of researchers from the Federal University of Technology Owerri in Nigeria has highlighted a promising new way to cut diesel engine pollution without sacrificing performance. Their review of ...

INDIANAPOLIS—While clean energy is the future, diesel will primarily power trucking’s near future. But as more U.S. fleets face a patchwork of regulations nationwide, planning will be imperative. “The ...

If you’ve been to a dealership recently, or even browsed online some, you know just how expensive a new truck is these days. It’s not out of the question to see a sticker price higher than what many ...

Older diesel trucks sit at the center of a policy fight that touches public health, climate goals, and the economics of freight. Regulators see high-emitting engines as a lingering liability from an ...

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Normal-sized diesel-powered cars capture a significant foothold in a huge market outside the U.S., here’s why.