Regional Greenhouse Gas Initiative supporters acknowledge other factors but say the program is an important piece.
Access and equity are becoming part of the conversation around electric vehicle incentives in the Northeast.
State officials are expected to award funding this month for several dozen public electric vehicle charging stations.
Under a new state law, Maine will need to average 20,000 installations per year over the next five years.
Bates College says conversion to a wood-based liquid heating fuel helped it eliminate campus emissions.