Hydrogen fuel cell electric vehicles (FCEVs ... They are typically more efficient than conventional internal combustion engine (ICE) vehicles and produce only water vapour and warm air rather ...
Scientists have developed a new energy system for autonomous underwater robots, such as ocean gliders. The system uses hydrogen and oxygen as energy source instead of lithium batteries, which pose ...
The DOT said this would improve the average fuel economy for light duty vehicles to more than double from current levels, exceeding 50 miles per gallon by the end of the decade. Some form of ...
Solar cells ... the efficiency values on new device structures or operating conditions. Performance metrics such as accuracy, precision, recall, and F1-score can be used to evaluate the model’s ...