Double-ended topologies, such as push-pull, half-bridge and full-bridge, allow higher efficiencies and greater power densities compared with common single-ended topologies, such as flyback and forward ...

GLENDALE — The California Court of Appeal ruled on Tuesday that federal regulations governing the “push” mode of train operation preempt the practice from being used against Metrolink in a ...

GLENDALE — The California Court of Appeal ruled on Tuesday that federal regulations governing the “push” mode of train operation preempt the practice from being used against Metrolink in a ...