FuelCost and Consumption U.S. Majors, Nationals and Large Regionals August 2003 - July 2004 Total Total Cost Cents Per % Change % Change Gallons (Dollars) Gallon Month Year 2003 August Domestic ...
A new study found that the benefits of car preheating for both fuel economy and emissions are minimal. The researchers focused on vehicle fuel consumption and emissions under cold winter conditions.