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Fuel Economy facts

While investigating facts about Fuel Economy Calculator and Fuel Economy Comparison, I found out little known, but curios details like:

At the moment of launch, the Saturn V's fuel economy was 7 inches per gallon.

how to improve fuel economy?

The main vehicle for the US Postal Service, the Grumman LLV (Long Life Vehicle), gets an average fuel economy of 10 miles per gallon.

What's fuel economy?

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what is average fuel economy. Here are 19 of the best facts about Fuel Economy Cars and Fuel Economy Canada I managed to collect.

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  1. That, according to the Department of Energy, commuter rail only has about 10% better actual fuel economy than cars, and buses are the worst at more than 20% lower given its sparse ridership.

  2. Basic essential products like soap and toothpaste fuel an underground illegal economy and hold their value as they are constantly in demand and easier to fence.

  3. In 2009, the Cash for Clunkers program, in an effort to stimulate the economy, offered incentives to trade in older, less fuel efficient cars, and in that process, destroyed about 690,000 functional, working vehicles.

  4. The 2015 Porsche 918 is a hybrid with a combined 887hp while getting a little over 70mpg fuel economy

  5. The Ford Model-T, which began production in 1908 had an average fuel economy of 13-21 mpg

  6. The Chrysler PT Cruiser is classed as a truck in the USA, which was by design in order to meet fuel economy requirements for Chrysler's truck fleet. "PT" comes from its early development when it was slated for the Plymouth brand, and stood for "Plymouth Truck" at that time.

  7. The average speed for the EPA 'highway' test is only 48 MPH. This is right around the ideal speed for fuel economy and just over the typical minimum highway speed limit.

  8. The optimum speed to achieve the best fuel economy in a car is 55-60 MPH.

  9. The 1994 Geo Metro has an E.P.A. fuel economy of nearly 50mpg, on par with all three 2015 Prius models, with some owners reporting as high as 60mpg.

  10. Fuel economy regulations are motivating automakers to make cars that are larger and less efficient because bigger cars have lower fuel economy targets

fuel economy facts
What is the best fuel economy car?

Fuel Economy data charts

For your convenience take a look at Fuel Economy figures with stats and charts presented as graphic.

fuel economy fact data chart about Fuel economy at every fill-up since my car was purchased new
Fuel economy at every fill-up since my car was purchased new in 2004

fuel economy fact data chart about Fuel Economy per # of Cylinders (2009; 3A regulations)
Fuel Economy per # of Cylinders (2009; 3A regulations)

Why is my fuel economy so bad?

You can easily fact check why improving fuel economy by examining the linked well-known sources.

There's a subculture of shoplifting in Las Vegas that fuels a different type of local economy on the famous Las Vegas strip

Fuel economy is calculated differently in Canada than it is in the US. In the US we calculate miles per gallon of gas, so that *bigger* numbers are better. In Canada, the calculation is how many liters of gas it takes to drive 100 km, so that *smaller* numbers are better. - source

Dirty air filters don't reduce fuel economy in modern computer controlled engines - source

Some car experts recommend putting nitrogen in your tires instead of air to help you tires stay inflated longer, which helps fuel economy.

On average an internal combustion engine car's fuel economy is 27.9 miles/gallon and the average efficiency of an electric vehicle is 0.326 kWh/mile. Therefore, the equivalent price per gallon for driving the electric vehicle is $1.15/gallon. - source

When the fuel economy?

Lexus gave their 2015 NX crossover a different front fascia for the U.S. market in order to be classified as a "light truck" and be subject to less stringent fuel economy standards.

How to calculate fuel economy?

Following a transport truck on the highway can improve your fuel economy by 39%

Fuel economy infographics

Beautiful visual representation of Fuel Economy numbers and stats to get perspecive of the whole story.

fuel economy fact infographic about Average US gasoline prices perUS sales weighted fuel economy

Average US gasoline prices perUS sales weighted fuel economy since Oct 2007


fuel economy fact infographic about Fuel economy of midsize sedans in Canada

Fuel economy of midsize sedans in Canada


This is our collection of basic interesting facts about Fuel Economy. The fact lists are intended for research in school, for college students or just to feed your brain with new realities. Possible use cases are in quizzes, differences, riddles, homework facts legend, cover facts, and many more. Whatever your case, learn the truth of the matter why is Fuel Economy so important!

Editor Veselin Nedev Editor