The lower the BSFC, the more efficient an engine is. In this video we'll define brake specific fuel consumption, show how it correlates with efficiency, look at a BSFC map, compare BSFC with RPM, ...

Inline-fours offer smoother operation and reliability; three-cylinders are lighter and more efficient.

In the world of commercial aviation, the terms narrowbody and widebody describe more than just the shape of an aircraft; they define its mission, its power needs, and even the engines that make it fly ...

Japanese automakers Mazda and Toyota, among other brands, have been working hard on furthering efficiency without sacrificing performance or power. The SkyActiv engine was introduced in 2010 and ...

Many automakers are on a mission to make their internal combustion engines better at turning fuel into energy. Friday, Nissan says that it reached a breakthrough to reach 50 percent thermal efficiency ...

The A380's gargantuan engines, each producing over 84,000 pounds of thrust, stand in stark contrast to the A320's compact ...

250cc motorcycles sit in a sweet spot between performance and fuel efficiency. They slant slightly towards the performance side, but they still return decent mileage, be it commuting in the city or ...