You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an ...

Every fleet strives to achieve two things when it comes to engines. The first is to maintain efficiency in order to reduce operating and service costs. The other is to ensure the longest possible ...

Horse Powertrain, a joint venture between Renault, Geely, and Aramco, has unveiled an innovative hybrid engine that promises to push the boundaries of fuel efficiency.

The latest concept is a small four-cylinder running on synthetic fuel that can achieve 71 mpg in an EREV platform.

LAS VEGAS--(BUSINESS WIRE)--Achates Power, Inc. (API) showcased at ACT Expo what has been demonstrated as the cleanest and most efficient internal combustion engine (ICE) architecture to date.

Chrysler's HEMI engines have been around since the 1950s, but they were used as early as 1905 by car manufacturers like Pipe. Over time, these engines have become an appealing choice for car ...

Purdue University’s Greg Shaver doesn’t believe there should be a trade-off between protecting the air we breathe and achieving better engine efficiency of large vehicles on the road. Shaver, a ...

Recent advances in the analysis of aviation engine efficiency and sustainability have expanded the understanding of engine performance beyond traditional energy metrics. Researchers are increasingly ...

The year 2027 will feature the most significant emissions regulations the heavy-duty trucking sector has seen since 2007. If fleets haven’t already, they should begin planning for these changes. “It’s ...

In America, the average mpg of a semi truck sits firmly in single-digit territory. Efficiency improvements mean that today's trucks now average around seven mpg, but some states still see trucks ...

This American power unit has a track-record unlike any other modern V-8 engine.