economical

be economical be economical with something economical abuse economical aging economical analysis economical and political evaluation methods economical assistance economical chassis economical data economical driving economical driving assistance economical evaluation methods economical feasibility economical floor system economical foundation of education economical indication economical laws economical life economical loss economical lubrication economical materialism economical measure economical output economical plants economical principle of taxation economical rate of runoff economical span economical speed economical speed range i'd like a car that's economical on gas in a dependable and economical manner large scale economical measures most economical