Particulate matter (PM)
Fig. 11. And Fig. 12. Shows the PM emission level reduced considerably upto 40% methanol and for different proportions fuel additive with diesel at 0.5% (EGDE) shows the best results. Fig. 13. Shows the PM emissions reduced considerably when 40% methanol fumigation plus 0.5% EGDE with diesel when compared the engine equipped with heat exchanger and normal engine.