There are a few things worth thinking about when you’re shopping for a portable charger. Capacity: The capacity of a power bank is measured in milliampere-hours (mAh), but this can be a little misleading because the amount of power you ...
The EPA announcement will essentially align federal regulations with the new California rules, Jonas Nahm, an assistant professor of energy, resources, and environment at Johns Hopkins, said in an email. It will also help make sure that EVs continue to ...
