A new experimental study shows that overlapping diesel pilot and natural gas injections in a heavy-duty HPDI engine raises ...

Mazda’s ever-popular CX-5 is now in its third generation, with 2026 models featuring some exterior upgrades, extra tech and ...

Diesel engines provide a ton of torque, great reliability, and a good bit of economy, but they can be really tough to start when the temperature drops.

Porsche has patented an innovative six-stroke engine that combines the benefits of a two-stroke engine's power with the durability and emissions cleanliness of a four-stroke engine. This design ...

Because of their innate sensitivity, these devices must be shielded from radio frequency interference (RFI). Green Bank is ...

As diesel set a series of record highs recently, nations have responded by suspending some gas taxes, raising interest rates to curb rising prices, and issuing new rules and regulations to control ...

Instead of chasing Ford back into the power fight, GM decided to go a different route with its new diesel engine.

When Mazda launched SkyActiv in 2011, the automaker wasn’t unveiling a component but a philosophy: rethink every element of ...

This video provides an in-depth analysis of the liquid piston engine and compares it to traditional piston engines and Wankel ...

The diesel engine may have fallen out of favor, but some manufacturers aren't letting go of it. We're about to see some impressive new diesels in 2027.

The world has seen a sharp spike in diesel prices in recent months, driving up transportation costs and prompting various ...