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What
effect can fuel efficient tires have? |
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In several
years of real world testing of its own and competitors’ tires,
Bridgestone has found that fleets will generally not achieve fuel
economy improvements equal to those found in carefully controlled
tests.
As a rule of thumb, Bridgestone engineers suggest that any fuel
economy method that does not produce at least a two percent improvement
in controlled testing will probably not produce any measurable real
world effect in the long term.
Whatever the size of the test results, you generally see only about
half of it in the real world. As we mentioned before, much of this
is because of interference by other factors outside the controlled
world of scientific testing.
Of course, you should always try to save fuel. It can save you money
while reducing both pollution and our dependence on foreign oil.
But don’t expect to get much more than half the effect you
found in your tests.
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