Amashanyarazi ya Diesel nibikoresho byingenzi ahantu henshi mu nganda n’ubucuruzi, kandi biduha amashanyarazi ahamye kandi yizewe. Kugirango hamenyekane imikorere isanzwe ya moteri ya mazutu yashyizweho kandi yongere ubuzima bwayo, kugenzura buri munsi no kuyitaho ni ngombwa. Iyi a ...