▁of ▁ 3 5 - 4 5 %. ▁ ▁Origin ally ▁designed ▁for ▁the ▁United ▁States ▁Military , ▁these ▁hy brid ▁power ▁systems ▁have ▁been ▁sold ▁to ▁the ▁US ▁Marine ▁Corps , ▁US ▁Army , ▁US ▁Navy ▁SE AL s , ▁and ▁the ▁J oint ▁Special ▁Oper ations ▁Forces - A fg han istan . ▁Systems ▁that ▁were ▁field ed ▁in ▁those ▁military ▁branches ▁showed ▁at ▁least ▁ 5 2 % ▁reduction ▁in ▁fuel ▁consumption ▁and ▁an ▁ 8 0 % ▁reduction ▁in ▁generator ▁runtime . ▁ ▁Vent ure ▁Capital ▁Fund ing ▁ ▁On ▁August ▁ 3 , ▁ 2 0 1 5 , ▁F lex Gen ▁Power ▁Systems ▁completed ▁a ▁$ 2 5 . 5 M ▁Series ▁A ▁vent ure ▁capital ▁fund ing ▁round . ▁Led ▁by ▁Den ver - based ▁Al ti ra ▁Group , ▁the ▁vent ure ▁fund ing ▁round ▁also ▁included ▁invest ments ▁from ▁General ▁Electric ▁Vent ures ▁and ▁C ater p ill ar ▁Vent ures . ▁ ▁References ▁ ▁External ▁links ▁▁ ▁www . flex gen . com : ▁Official ▁website ▁ ▁Category : E ner gy ▁storage ▁Category : E lect rical ▁gener ators ▁Category : E ner gy ▁companies ▁of ▁the ▁United ▁States ▁ ▁Category : Te chn ology ▁companies ▁of ▁the ▁United ▁States ▁Category : Man ufact uring ▁companies ▁based ▁in ▁Texas ▁Category : Comp an ies ▁based ▁in ▁Houston ▁Category : American ▁companies ▁established ▁in ▁ 2 0 0 9 ▁Category : E ner gy ▁companies ▁established ▁in ▁ 2 0 0 9 ▁Category