▁the ▁smallest ▁and ▁light est ▁UK ▁car ▁engines ▁then ▁available , ▁instead ▁of ▁the ▁original ▁hy brid ▁proposal . ▁Mall al ieu ▁Engineering ▁was ▁best ▁known ▁for ▁making ▁Bent ley ▁Spe ci als , ▁the ▁B arch etta ▁and ▁Oxford , ▁based ▁on ▁the ▁Mark ▁ 6 ▁Bent ley . ▁▁ ▁The ▁engine ers ▁had ▁a ▁target ▁of ▁ 1 0 0 ▁miles ▁per ▁Imperial ▁gall on . ▁Under ▁the ▁prototype ▁label ▁of ▁" Matrix " ▁a ▁business ▁plan , ▁it ▁was ▁proposed ▁by ▁Mall al ieu ' s ▁man aging ▁director ▁No el ▁H od son , ▁to ▁sell ▁several ▁hundred ▁" Ch else a " ▁Micro dots ▁a ▁year ▁to ▁PO SS F UND , ▁the ▁vent ure - cap ital ▁arm ▁of ▁the ▁Post ▁Office ▁p ension ▁fund , ▁then ▁one ▁of ▁the ▁largest ▁funds ▁in ▁the ▁world , ▁managed ▁by ▁Ralph ▁Quart ano . ▁ ▁The ▁re cess ion ▁of ▁the ▁early ▁E ight ies , ▁and ▁the ▁growth ▁in ▁small ▁econom ical ▁cars ▁such ▁as ▁the ▁Austin ▁Metro ▁and ▁Ford ▁F i esta , ▁stopped ▁the ▁hy brid - drive ▁project . ▁Mall al ieu ▁Micro dot ▁( company ▁number ▁ 0 1 5 0 4 5 0 9 ) ▁was ▁dissol ved ▁on ▁ 2 3 ▁June ▁ 1 9 8 7 ▁and ▁Mall al ieu ▁Engineering ▁( company ▁number ▁ 0 1 2 1 5 6 9 1 ) ▁was ▁dissol ved ▁in ▁ 1 9 8 9 , ▁and ▁the ▁project ▁disappeared . ▁ ▁Design