Not　all　drivers　are　motivated　by　the　same　values　(i.e.,　they　may　have　proself　[Editor＇s　note:　The　authors　use　the　term　＂proself　＂　to　describe　individuals　who　focus　on　their　own　well-being.]　or　prosocial　[Editor＇s　note:　The　authors　use　the　term　＂prosocial＂　to　describe　individuals　who　focus　more　on　the　well-being　of　others　than　on　their　own　well-being.]　values),　and　different　drivers　might　prefer　to　learn　in　different　ways　(i.e.,　through　learning　or　performance).　To　improve　drivers＇　acceptance　of　ecodriving　and　to　enhance　the　effectiveness　of　ecodriving　training,　an　ecodriving　behavior　optimization　method　that　considers　the　characteristics　of　driver　types　and　the　effectiveness　of　approaches　to　ecodriving　training　was　developed　in　this　study.　On　the　basis　of　the　relationship　between　drivers＇　values　and　goal　orientations　and　their　driving　behaviors,　data　on　in-trip　driving　behavior　were　collected,　and　then　the　drivers　were　classified　into　four　types:　those　with　proself　and　learning　orientations,　those　with　proself　and　performance　orientations,　those　with　prosocial　and　learning　orientations,　and　those　with　prosocial　and　performance　orientations.　The　effectiveness　of　three　common　ecodriving　training　methods　(i.e.,　education,　coaching,　and　feedback　through　smartphone　applications)　was　then　tested　and　compared　to　determine　those　that　met　the　fuel　consumption　characteristics　of　the　driver　types.　In　addition,　feedback　corresponding　to　driver　types　was　designed　(e.g.,　how　much　money　they　saved　from　ecodriving　and　their　ecodriving　rankings　compared　with　the　rankings　of　their　peers).　Finally,　the　appropriate　ecodriving　training　method　and　suitable　feedback　were　identified　for　each　driver　type.　A　validation　test　showed　that　this　ecodriving　behavior　optimization　method　was　more　effective　in　reducing　fuel　consumption　than　the　generic　ecodriving　training　method　(by　which　the　reductions　in　fuel　consumption　were　9.60%　and　4.62%,　respectively).　The　study　results　provide　guidance　for　ecodriving　applications,　contributing　to　the　improvement　of　vehicle　fuel　use　efficiency.