The hybrid drive system integrates mtu Series 4000 engines with an electric drivetrain.

Westport and Volvo are demonstrating a 500-hp truck with diesel-like efficiency — one that also offers what Westport says is ...

Next‑generation Volvo engine combines expanded power, strong fuel efficiency, and the lowest NOx levels Volvo has ever offered. Volvo Trucks North America has introduced a new engine designed to meet ...

A new idle management HVAC system from Vanair reduces engine idling, lowers fuel use, and helps extend fleet vehicle life.

A driver heads for his cab, jumps in, belts up and hits the starter button. It’s only 10 degrees outside, but the engine fires almost immediately, and runs quietly while he warms it up. No fuel ...

In an effort to help meet more restrictive emissions standards, GM launched a technology in 2005 that deactivates engine cylinders during undemanding driving scenarios. Known by both Displacement on ...

Suggested Citation: "III. Presented Papers: Aircraft Fuel System Requirements." National Research Council. 1997. Aviation Fuels with Improved Fire Safety: A Proceedings. Washington, DC: The National ...

CycloKinetics tied its advanced jet fuel push to growing U.S. military concerns over range, logistics, and operations in the ...