, 5 0 0 ▁charg ing ▁stations ▁and ▁up ▁to ▁ 3 , 5 0 0 ▁vehicles , ▁and ▁research ▁to ▁improve ▁battery ▁life ▁ ▁Str as bourg ▁ ▁Research ▁foc al ▁points : ▁Pl ug - in ▁hy brid ▁vehicles , ▁ 1 0 0 ▁charg ing ▁stations , ▁cross - border ▁links ▁with ▁Kar ls ru he / St utt gart . ▁ ▁Kar ls ru he / St utt gart ▁ ▁Research ▁foc al ▁points : ▁Sm art ▁grid ▁characteristics , ▁optim ised ▁bi - direction al ▁charg ing ; ▁cross - border ▁link ▁with ▁Str as bourg . ▁ ▁Berlin ▁ ▁Research ▁foc al ▁points : ▁World ’ s ▁largest ▁integrated ▁e - m ob ility ▁project ▁devoted ▁to ▁research ing ▁business ▁models ▁and ▁customer ▁behaviour , ▁ 3 , 6 0 0 ▁charg ing ▁stations . ▁ ▁Ireland ▁( D ub lin , ▁C ork ) ▁ ▁Research ▁foc al ▁points : ▁Direct - current ▁charg ing ▁stations , ▁b illing ▁with ▁free ▁choice ▁of ▁electric ity ▁vendor , ▁approximately ▁ 2 , 0 0 0 ▁vehicles ▁and ▁ 3 , 5 0 0 ▁charg ing ▁stations ▁ ▁Madrid / A ta un ▁ ▁Research ▁foc al ▁points : ▁Sm art ▁grid ▁integration ▁and ▁integration ▁of ▁renew able ▁energy ▁sources ▁for ▁generating ▁electric ity ▁( integration ▁of ▁renew able ▁energy ▁sources , ▁R ES ) ▁ ▁Barcelona / Mal aga ▁ ▁Research ▁foc al ▁points : ▁Cit izen ▁service ▁centre ▁for ▁elect rom ob ility , ▁e -