Tips to Increase Fuel Mileage on a Honda Odyssey – This is a place for the community to provide tips and advice on Tips to Increase Fuel Mileage on a Honda Odyssey. This topic was created by Julie Millar and the tips are provided by the community. The tips you add here can be your own or referred from another site. The best tips are then ranked at the top when up-voted by members of the community.