How far can you drive with 1 liter of gasoline?
Competition of ideas and technology challenging the limits!

What is the Honda Eco Mileage Challenge...

The Honda Eco Mileage Challenge is a platform for challenging the infinite possibilities of how many kilometers can be driven on one liter of gasoline, based on Honda's 4-stroke engine, while competing with innovative ideas and technology.

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Event Information

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

Organizer: Honda Mobilityland Corporation / Sponsored by: Honda Motor Co., Ltd. / Cooperation: Max Brain Co., Ltd.

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This competition is held in accordance with the guidelines for the Honda Eco Mileage Challenge National Tournament, and participants will use competition vehicles constructed in accordance with these rules to run the designated course within the specified time, measuring their fuel efficiency.
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

2-seater class
CN 2-seater class

Motorcycle Class
CN Motorcycle Class

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A class that introduces carbon-neutral fuel has been established starting in 2024. For more details, please see the page below.
Click here for information about carbon-neutral fuel (external site) >

Event Information

Overview of Each Event

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