Research Article

Effects of Front Total Toe-In Angle on Tire Wear and Emissions for a Light-Duty Vehicle

Table 4

(a) ANOVA for CO2 emissions in terms of wheel front total toe-in angle. (b) Regression analysis for the effect of wheel front total toe-in angle on CO2 emissions.

dfSSMSF valueSignificance F

(a)
Regression162831004.3762831004.3779.570.0030
Residual32368995.63789665.21
Total465200000

Model no.Form of equationEquation constantsMultiple RR squareAdjusted R squareStand. error value

(b)
12390.8331157.210.9860.9640.951888.630.003
227.44−5875.160.9990.9990.99996.843.805E − 06
3324713.7025631.410.9300.8650.8201714.320.022
434.7225617.100.9300.8650.8201713.410.022
55.7825617.100.9300.8650.8201713.410.022
6−97.58; 28.52−7329.440.9990.9990.999111.020.005
73345.21; −140933.2833675.480.9860.9730.946937.980.493
83341.08; −15.0133670.520.9860.9730.946939.310.495
93341.08; −2.5033670.510.9860.9730.946939.310.495

Note.  =  means CO2 emissions; i = model number and j = effect of wheel front total toe-in angle on CO2 emissions.