Before electric vehicles can be more widely utilized, a number of problems remain to be solved. Especially short range has prevented the widespread popularization.
In order to deal with this problem we have produced the series hybrid electric vehicle equipped with a gasoline fuel engine for generating electricity.
The series hybrid electric vehicle can travel long distances even if there are no charging stations around.
This paper will describe this hybrid systei and outline of the history of Daihatsu hybrid vehicle development.