If you drive an electric car, it matters when you plug in and charge – both in terms of the emissions caused by the generation of each kilowatt-hour (kWh) of electricity you consume and in terms of the costs you are imposing on the system as a whole. There are lots of tools at our utilities’ disposal to encourage electric vehicle (EV) owners to charge when both emissions and costs are low, but unfortunately, in Massachusetts, our utilities are behind. Now, we have an opportunity to advocate for a smart charging policy, called a “time-of-use rate,” before the Department of Public Utilities (DPU) at a virtual public hearing at 2:00 pm on Wednesday, December 13. Here’s how to take action.