Do engine block heaters boost mpg, reduce cold-weather emissions?

2020 Dodge Charger GT AWD kicks up snow at the Winter Driving Encounter in Winter Park, CO. All vehicles become less efficient in cold weather. In a recent study, researchers in freezing Finland focused on whether engine block heaters could help increase efficiency in internal-combustion vehicles. Conducted by the University of Eastern Finland and Tampere University, the study, published in the journal Applied Energy, produced some...