Electric Vehicles, Coal & Dirty Electricity

Coal in Stocking

Since it is the Holiday Season, and some traditions continue, such as busting PEVs because they allegedly use dirty electricity and can’t then be zero emission, I include this brief op-ed from last week for your reading pleasure.  The final take away is simple- where you live and how your local utilities get their electricity do play a role in how clean your PEV runs and since most states increasingly support alternative forms of renewable energy, your PEV will likely continue to get cleaner.  So enjoy the season and stop feeling guilty!

Tuesday’s Portland Press Herald Article by Seth Borenstein, titled, “For electric cars, it’s not simple to be green,” offers outdated and misguided commentary on the issue of “dirty” electricity and whether electric vehicles are more of a problem than a solution when it comes to transportation-based emissions.  As a study released by the Union of Concerned Scientists in 2012, “State of Charge; Electric Vehicles Global Warming Emissions and Fuel-cost Savings across the United States” concluded, EVs are vastly superior in their emission profiles over most regions of the US.  It boils down to where the electricity comes from.  If you live in the Wyoming where coal is used for base load generation, your EV does contribute to GHG emissions on a par with a combustion engine.  That is one reason why coal-fired power plants are no longer viable for electricity generation and are being moth-balled.  Conversely, if you live in Maine, with an increasingly healthy mix of renewable energy generation sources, including wind, tidal, hydro, solar and biomass and the cleanest grid in New England, operating your electric vehicle is much less carbon intense than your neighbor’s gas-powered car.  The good news is most states, like Maine, have a renewable portfolio standard that has resulted in ongoing efforts to clean up their electricity generation, so an EV actually drives cleaner the longer you own it!  That is not true of your gasoline vehicle.  Mr. Borenstein chooses to highlight the coal connection rather than the clean connection.  I leave you with the final sentence of the PNAS study quoted by Mr. Borenstein, which reads, “Consideration of potential climate change impacts alongside the human health outcomes described here further reinforces the environmental preferability of EVs powered by low-emitting electricity relative to gasoline vehicles.” (Emphasis added).

Maine, and all the New England states, should be proud of their efforts to promote clean electricity and their EV-owners can drive with clear consciences.

Follow this link to go to my actual op-ed.