We may receive a commission on purchases made from links. Diesel engines, known for their great fuel efficiency, are sensitive to cold temperatures. Instead of using spark plugs, as gasoline-powered ...

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 ...

RC Willey has over 60 vehicles at their distribution center in Salt Lake City and does hundreds of deliveries a day. Rocky Mountain Power's Wattsmart Business program helped them install engine block ...