In Nov./Dec. issue of Truck Trend magazine. The topics covered are Tire Tread, Aerodynamics, Winter, Speed, Idle Time, Driver Variability, Other Factors, and Electronic Tune-up.
Here's the links given (edit: for gasoline engines):
http://www.shell.com/us/fuelstretch
http://www.fueleconomy.gov/feg/drivehabits.shtml
Here's the links given (edit: for gasoline engines):
http://www.shell.com/us/fuelstretch
http://www.fueleconomy.gov/feg/drivehabits.shtml
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