Hybrid electric systems composed of fuel cells and batteries have become solutions for UAVs (Unmanned aerial vehicles) with electric propulsion due to the fact that they combine the high energy ...

The degradation seriously affects the durability and cost of the proton exchange membrane fuel cell (PEMFC). This article presents a novel model-driven method based on the frequency-domain Kalman ...

This promotional poster was created for the 2008 release of Frontlines: Fuel of War, a futuristic first-person shooter developed by Kaos Studios and published by THQ. The ad features a gritty ...