Waste Cooking Oil Biodiesel Use in Two Off-Road Diesel Engines

Table 5

Pearson correlation coefficients for significant influence factors. Bold values show significant linear correlation at 95% confidence.

	CO2	CO	NO	NO2	THC
Generator emissions
Biodiesel content	−𝟎.𝟗𝟗𝟐	−𝟎.𝟖𝟔𝟔	𝟎.𝟕𝟑𝟖	−0.369	−𝟎.𝟖𝟓𝟏
Mower emissions
Biodiesel content	−𝟎.𝟗𝟖𝟕	0.126	−𝟎.𝟕𝟗𝟏	−𝟎.𝟓𝟒𝟏	−𝟎.𝟔𝟖𝟎
Exhaust temperature	0.006	𝟎.𝟒𝟎𝟑	−0.373	𝟎.𝟒𝟗𝟒	𝟎.𝟔𝟕𝟗
Absolute humidity	−0.152	𝟎.𝟕𝟎𝟎	−0.496	𝟎.𝟔𝟖𝟔	𝟎.𝟒𝟓𝟎