E le karolo ea bohlokoa lits'ebetsong tsa lienjine tse tukang ka hare, lihloela tsa mafura li bapala karolo ea bohlokoa likoloing tsa sejoale-joale, mechini ea kaho le lisebelisoa tse ling tse fapaneng tsa motlakase. Mosebetsi oa bona oa mantlha ke ho sefa litšila le litšila ka nepo ho tsoa mafura, ho etsa bonnete ba hore mafura a hloekileng a kena ka phaposing e tukang, ka hona ho boloka ts'ebetso e tsitsitseng ea enjene le bophelo ba ts'ebeletso.
Ho ea ka molao-motheo oa ts'ebetso ea bona, li-filters tsa mafura li sebelisa likarolo tse ngata tsa lisebelisoa tse ntle tsa filthara ho tšoasa litšila tse kang mafome, mongobo le likaroloana tsa colloidal ka har'a mafura. Haeba lintho tsena tse silafatsang li ka kena enjeneng e sa sefisoa, li ka baka ho koaloa ha ente, ho fokotsa matla a ho tuka, esita le ho senyeha ho eketsehileng ha likarolo tse nepahetseng. -Lisefe tsa boleng bo holimo hangata li sebelisa-mohaho o nang le likarolo tse ngata, tse finyellang tlhoekiso e sebetsang hantle le phapano e laoloang ea khatello ho qoba ho ama khatello e tloaelehileng ea phepelo ea mafura.
Ho latela thekenoloji, lifilimi tsa sejoale-joale tsa mafura li bile teng ho feta ts'ebetso e le 'ngoe ea tloaelo ea ho sefa. Lihlahisoa tse ling tse phahameng- li na le searolanyi sa mongobo se arolang metsi a mahala ho mafura, se a thibelang ho kenya letsoho ho tukang le ho baka ho hloleha ha enjine. Ho feta moo, ho nepahala ha filthara le khetho ea thepa e ntlafalitsoe ka ho khetheha bakeng sa litšobotsi tse fapaneng tsa mafura (joalo ka peterole, diesel, kapa biofuel) ho fihlela litlhoko tse fapaneng tsa li-powertrain tse fapaneng. Mabapi le tokiso, phetisetso ea kamehla ea sefahla sa mafura ke ea bohlokoa molemong oa ho boloka enjene e sebetsa hantle. Ka kakaretso ho khothaletsoa ho khutlisa sefella mafura ho latela litaelo tsa bukana ea koloi. Bakeng sa lisebelisoa tse sebetsang tlas'a maemo a thata, nako e khutšoanyane ea tlhokomelo e khothalletsoa. Ho bohlokoa hape ho ela hloko hore lihloela tsa boleng bo tlase- li ka baka likotsi tsa sistimi ka lebaka la ho se sebetse hantle kapa lisebelisoa tse sa sebetseng hantle.
Ka melaoana e ntseng e tsoela pele e thata ea tlhahiso le tsoelo-pele e tsoelang pele theknolojing ea enjene, karolo ea lihloela tsa mafura molemong oa ho baballa matla le phokotso ea mesi e se e hlahella haholo. Ho boloka boleng bo nepahetseng ba phepelo ea mafura ha ho ntlafatse ts'ebetso ea ho tuka feela empa hape ho fokotsa mesi e kotsi, ho e etsa karolo ea bohlokoa ea botekgeniki ho fihlelleng lithupelo tsa motlakase tse sebetsang hantle le tse baballang tikoloho.