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“Some drivers prefer to let the engine idle for 20 minutes or longer to get everything ... really warm, but the fastest way to warm up an engine is by driving,” the magazine reported ...
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As the weather turns colder, you may dread getting into your chilly car in the morning. For many drivers, that means leaving your car to “warm up” in the driveway or along the street is ...
Underinflated tires wear out faster and lose energy to rolling resistance because of tire deformation. The loss for a car is approximately 1.0 percent for every 2 psi (0.1 bar; 10 kPa) drop in pressure of all four tires. [7] Improper wheel alignment and high engine oil kinematic viscosity also reduce fuel efficiency.
Although some hydrogen was produced, the amount was minuscule compared to the quantity necessary to run a car for even a few seconds. The show also tested a carburetor that, according to its manufacturer, could improve fuel efficiency to 300 miles per US gallon (0.78 L/100 km). However, the device actually made the car less fuel efficient.
One should refer to the car's owner's manual for the proper speed to run at overdrive. All engines have a range of peak efficiency and it is possible for the use of overdrive to keep the engine out of this range for all or part of the time of its use if used at inappropriate speeds, thus cutting into any fuel savings from the lower engine speed.
6. Fill Up on Antifreeze. Before the big chill sets in, make sure to top off your antifreeze -- but use a winter-specific formula. Antifreeze must be mixed with water, usually in an exact 50/50 ratio.
An operating temperature is the allowable temperature range of the local ambient environment at which an electrical or mechanical device operates. The device will operate effectively within a specified temperature range which varies based on the device function and application context, and ranges from the minimum operating temperature to the maximum operating temperature (or peak operating ...