▁kilom eters , ▁proved ▁from ▁Berlin ▁to ▁Kar ls ru he ▁and ▁through ▁cities ▁with ▁average ▁speed ▁ 7 2   km / h ▁in ▁June ▁ 2 0 1 6 . ▁ ▁Super p iki ▁ ▁The ▁project ▁" Y une ec ▁& ▁Met ron " ▁convert ▁a ▁Sm art ▁Road ster ▁to ▁an ▁electric ▁car ▁with ▁ 8 0 ▁W p ▁solar ▁panel ▁in ▁ 2 0 1 1 . ▁Range ▁with ▁solar ▁charg ing ▁only ▁is ▁a ▁few ▁kilom eters ▁per ▁day . ▁Range ▁with ▁fully ▁charged ▁accum ulator ▁is ▁ 1 6 0 ▁kilom eters . ▁ ▁Switzerland ▁ ▁C ate Car ▁ ▁In ▁ 2 0 1 7 ▁C ATE C AR ▁IN DU ST RI ES ▁SA ▁presented ▁the ▁prototype ▁" Drag on fly ", ▁which ▁has ▁the ▁following ▁characteristics : ▁ 4 - se ater , ▁light weight , ▁small , ▁renew able ▁and ▁solar ▁power ed . ▁The ▁Dragon fly ▁is ▁a ▁ 5 6 0   kg ▁vehicle ▁cert ified ▁in ▁M 1 , ▁with ▁a ▁cabin ▁in ▁fla x , ▁a ▁solar ▁roof , ▁an ▁asp ir ator ▁of ▁fine ▁particles ▁capt uring ▁them ▁around ▁the ▁clock . ▁Unfortunately , ▁the ▁development ▁has ▁not ▁led ▁to ▁a ▁production - ready ▁vehicle , ▁jet . ▁On ▁the ▁website ▁and ▁in ▁the ▁media ▁there ▁are ▁no ▁further ▁news ▁since ▁ 2 0 1 7 . ▁ ▁I care ▁ ▁The ▁project ▁" I care " ▁build ▁a ▁T wi ke ▁( Hy brid : ▁mus