How far can you travel on 1 liter of gasoline?
A competition of ideas and technology challenging the limits!

What is the Honda Eco Mileage Challenge…

The Honda Eco Mileage Challenge is a place of study and competition based on Honda 4-stroke engines, where participants challenge the infinite possibilities of how many kilometers can be traveled on 1 liter of gasoline, competing with original ideas and technology.

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Event Information

June 14, 2025 (Sat)
Honda Eco Mileage Challenge 2025 38th Suzuka Tournament
[Venue: East Course]

Organizer: Honda Mobilityland Corporation / Sponsor: Honda Motor Co., Ltd. / Cooperation: Maxbrain Co., Ltd.

<Competition Details>
This competition is conducted in accordance with the Honda Eco Mileage Challenge National Tournament Guidelines. Participants use competition vehicles built according to these regulations to run the designated course within the specified time, and their fuel efficiency is measured.
The ranking will be determined from the team with the lowest fuel consumption.

Event Class

Group Category

Group I (Junior High School Class)
CN Group I (Junior High School Class)

Group II (High School Class)
CN Group II (High School Class)

Group III (University, Junior College, Technical College, Vocational School Students Class)
CN Group III (University, Junior College, Technical College, Vocational School Students Class)

Group IV (General Class)
CN Group IV (General Class)

New Challenge Class
CN New Challenge Class

Two-Person Class
CN Two-Person Class

Motorcycle Class
CN Motorcycle Class

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A class using carbon-neutral fuel was established starting in 2024. For more details, please see the page below.
About Carbon-Neutral Fuel (External Site) >

Tournament Information

Tournament Overview

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