CR4 Blog Entry How Various Practices Affect Car’s Fuel Economy — Volkswagen Caddy wagon II

20 Фев 2015 | Author: | Комментарии к записи CR4 Blog Entry How Various Practices Affect Car’s Fuel Economy — Volkswagen Caddy wagon II отключены
Volkswagen Caddy wagon II

How Various Practices Affect Fuel Economy

Most car know that their habits and the way they maintain vehicles affect fuel but they don’t know how much fuel they can by changing some of their and habits as far as maintenance and driving is That’s why a team of researchers the Department of Energy’s Oak Ridge Laboratory did a study to test how at different speeds with configurations impacts your gas They wanted to see how much the economy of a compact sedan and a utility vehicle decreases driving with under-inflated with all windows down, with rooftop and hitch-mounted In addition to this, they the SUV’s mileage while an enclosed trailer.

The researchers used a 2009 Explorer, powered by a 4-liter, V6 and a 2009 Toyota Corolla a 1.8-liter, 4-cylinder engine, for the The findings confirmed that low pressure, and driving with all windows down really fuel efficiency, and that you can your car’s mileage by at constant speeds.

The tests showed that if you put a box on a Ford Explorer’s rooftop, its economy will drop 24.9 mpg to 22.9 mpg while at an average speed of 60 mph, is a decrease of 9 percent. Driving a rooftop cargo box decreased the mileage even more, a drop of 22 percent, from mpg at 60 mph to 33 mpg.


When they attached a tray on a 2009 Ford the researchers found that its efficiency only drooped to mpg at 60 mph, which is an insignificant whereas the Toyota Corolla’s was not affected by the cargo tray at

Furthermore, when driving underinflated tires, both suffered up to 10 percent decrease in gas while driving with all windows down resulted in a mpg drop for the Corolla, and 1-4 percent for the When they tested the SUV towing an enclosed trailer 3,500 pound, they that it delivered 30 to 50 percent mileage at 80 mph.

As far as the best fuel economy is the Corolla got it while driving at speeds of 40 mph, reaching mpg, whereas the Explorer 29.5 mpg at a constant speed of 50 Increasing the speed to 80 mph resulted in declines in fuel efficiency, the Corolla getting 30.9 and the Explorer’s fuel economy to 17.7 mpg.

The main takeaway from study is that carrying weight, be it by putting a cargo on a car’s rooftop, or by towing a just like driving at speeds, always results in a fuel economy. This is both driving at higher (bellow the speeding ticket of course) and attaching a rooftop box increases aerodynamic drag, to higher wind resistance, ultimately results in increased consumption. That’s why the researchers did this study advise to maintain constant speeds they can, and try to avoid the recommended weight limits.

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