▁to ▁produce ▁water ▁and ▁heat . ▁Elect rical ▁energy ▁is ▁generated ▁with ▁very ▁high ▁efficiency ▁and ▁zero ▁em issions ▁from ▁the ▁vehicle ▁itself . ▁ ▁At ▁full ▁power , ▁the ▁F uel ▁Cell ▁engine ▁on ▁the ▁P anda ▁H ydro gen ▁del ivers ▁ ▁that ▁allows ▁the ▁car ▁to ▁reach ▁a ▁top ▁speed ▁of ▁more ▁than ▁, ▁with ▁acceleration ▁from ▁ 0 ▁to ▁ ▁in ▁ 5 ▁seconds . ▁The ▁car ▁can ▁also ▁easily ▁clim b ▁a ▁gradient ▁of ▁ 2 3 % ▁at ▁take - off . ▁ ▁During ▁ 2 0 0 6 ▁a ▁demonstr ation ▁stage ▁of ▁small ▁P anda ▁H ydro gen ▁fle ets , ▁was ▁a ▁for er un ner ▁to ▁other ▁demonstr ation ▁programs ▁promoted ▁and ▁supported ▁by ▁the ▁European ▁Union ▁and ▁by ▁the ▁Italian ▁Min ist ries ▁and ▁Reg ions . ▁The ▁aim ▁is ▁for ▁such ▁vehicles ▁to ▁be ▁market ed ▁within ▁ 1 5 ▁to ▁ 2 0 ▁years . ▁ ▁F iat ▁P anda ▁T ank er ▁Un ve iled ▁at ▁the ▁Bolog na ▁Motor ▁Show ▁in ▁Italy , ▁the ▁P anda ▁T ank er ▁features ▁only ▁three ▁doors . ▁And ▁although ▁the ▁overall ▁shape ▁has ▁remained ▁un changed , ▁the ▁two ▁rear ▁doors ▁have ▁been ▁replaced ▁by ▁solid ▁pan els ▁to ▁free ▁up ▁some ▁extra ▁load ▁space ▁in ▁the ▁practical ▁cabin . ▁R ug ged ▁ex tras ▁and ▁under body ▁protection ▁also ▁help ▁to ▁set ▁the ▁T ank er ▁apart ▁from ▁the ▁standard ▁P anda ▁ 4 x 4 ▁model . ▁Design ed