i=1 (motores a gás) (3) COmass = n ∑ (M TOTW,i × COconce,i × 0,000966) − (M TOTW × COconcd × (1 − 1/DF ) × 0,000966) i=1 (4) HCmass = n ∑ (M TOTW,i × HCconce,i × 0,000479) − (M TOTW × HCconcd × (1 − 1/DF) × 0,000479) i=1 (motores diesel) (5) HCmass = n ∑ (M TOTW,i × HCconce,i × 0,000502) − (M TOTW × HCconcd × (1 − 1/DF) × 0,000502) i=1 (motores a GPL) (6) HCmass = ∑= (M × 0,000552 ) − (M n TOTW, i × HC conce,i TOTW × HC concd × (1 − 1/DF ) × 0,000552 )