▁SD 3 0 C - E CO ▁follows ▁CP ' s ▁request ▁for ▁crash worth iness ▁and ▁E PA ▁emission ▁standards ▁with ▁the ▁" C " ▁in ▁the ▁design ation ▁den oting ▁crash worth iness ▁of ▁the ▁cab , ▁frame , ▁and ▁fuel ▁tank . ▁CP ▁requested ▁relax ed ▁emission ▁standards ▁( T ier ▁ 0 + ▁instead ▁of ▁Tier ▁ 2 ) ▁to ▁cut ▁costs . ▁ ▁C ores ▁for ▁the ▁locomot ives ▁come ▁from ▁CP s ▁fleet ▁of ▁E MD ▁SD 4 0 - 2 s . ▁The ▁frames , ▁tr uck s , ▁and ▁internal ▁components ▁are ▁re used ▁while ▁a ▁new ▁( standard ) ▁cab , ▁designed ▁and ▁constructed ▁by ▁E MD , ▁and ▁a ▁fuel ▁tank ▁is ▁built ▁new ▁for ▁each ▁unit . ▁With ▁the ▁increased ▁em issions ▁requirements , ▁the ▁locomot ives ▁feature ▁fla red ▁radi ators ▁similar ▁to ▁those ▁on ▁the ▁E MD ▁SD 4 5 ▁to ▁house ▁additional ▁cool ing ▁equipment . ▁The ▁locomot ives ▁have ▁a ▁s no ot ▁nose ▁to ▁house ▁additional ▁electron ics , ▁and ▁all ▁light ing ▁with ▁the ▁exception ▁of ▁the ▁head light s ▁and ▁d itch ▁lights ▁are ▁LED . ▁ ▁O wn ers ▁A ▁total ▁of ▁ 5 0 ▁SD 3 0 C - E CO s ▁have ▁been ▁built ▁for ▁CP ▁in ▁ 2 ▁orders . ▁The ▁first ▁order ▁was ▁for ▁ 2 0 ▁locomot ives ▁number ed ▁ 5 0 0 0 - 5 0 1 9 ▁and ▁the ▁second ▁order ▁was ▁for ▁an ▁additional ▁