California Will Regulate Battery Chargers – ‘Vampire’ Units Waste Up to 13% of State’s Power

On Friday, the California Energy Commission issued new guidelines and set energy efficiency standards for battery chargers used to power cellphones, notebooks, power tools, and other devices. The commission hopes to reduce the total energy consumed by chargers, which are typically always left plugged in, even when a device is not being recharged, by 40 […]