SimilarityRank
CO2 0.955 9992
dioxide 0.833 10273
Dioxide 0.806 69551
co2 0.788 72066
emissions 0.783 4569
SO2 0.780 90224
gases 0.774 11662
NOx 0.767 55787
carbon 0.763 3087
gasses 0.762 45276
Nitrogen 0.740 45976
nitrogen 0.729 12237
ozone 0.719 18222
methane 0.713 19799
GHG 0.713 30079
particulates 0.709 55487
particulate 0.707 32316
GHGs 0.703 91201
nitrous 0.700 43783
emission 0.695 13146
refrigerants 0.694 92454
Emissions 0.692 37744
greenhouse 0.690 8346
fuel 0.687 1992
tailpipe 0.683 80378