EPA Gas Mileage Ratings - How Are They Determined?

EPA mileage ratings for different car models can be atank is often a tricky business. What the pump auto
good criterion based on which consumers can makestop indicates as full tank is actually not a full tank.o
an informed decision on the vehicle to buy. The EPAThe vehicle's make and model also influences the fuel
ratings are determined based on a series of testseconomy.o Driving habits of individual drivers, whether
conducted by EPA under controlled conditions. Howthey always over speed or whether they use cruise
are the tests conducted? Let's see.control, whether they brake often or they drive
1. The first category is for city driving. Here the car issmooth - all of these affect the fuel economy of the
kept 'sitting' whole night and then it is driven in the rushvehicle.o Last but not the least and the most important
traffic hours when the car has to brake frequently andfactor to consider while calculating mileage is the
start again.engine condition.
2. The next category is called highway driving. HereThe fueleconomy.gov site gives you a comprehensive
the test starts with a warmed-up vehicle and not in thethird party test values for different models of cars. If
same condition as the vehicle was when it had theyou do not want to believe in the mileage tag provided
'city' run. Now the vehicle is driven across a good blendwith a new car or if you do not have the mileage of a
of roads including highways, country roads, Interstatespre-owned car that you are planning to buy/sell then
and typically includes freeways as well.the website could be a good place to refer to. The
All vehicles are tested in the same manner. Generallyvehicles are categorized based on the year of it was
the different variables that affect a vehicle's mileagemanufactured.
include:o Road conditions are very importantThe car or the truck that you choose to buy is solely
considerations. If you are driving on good roadsyour decision. It is always a good idea to gather as
freeways or highways you will get a better mileagemuch information as possible before spending money.
than you would on a bad road full of potholes andThe fueleconomy.gov site is a storehouse of
craters.o Being stuck in the traffic influences theinformation. For more information, you can refer to the
mileage too.o Drastic weather changes also influenceEPA website as well.
the mileage.o Getting the correct volume of gas in the