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World's Cleanest Cars
CHANGES: The Insight used to be #1, but Honda upgraded their GX in 2004, so the GX now fills the top spot. Also new to the list is the Escape Hybrid & several Partial-Zero Emission Vehicles (PZEV).
GREEN SCORE = scale from 0 to 100, where 100 = no pollution
57 Civic Natural-Gas GX cvt (SULEV-2/PZEV)
56 Insight cvt (SULEV-2)
53 Prius cvt (SULEV-2/PZEV)
51 Civic cvt (SULEV-2/PZEV)
40 Escape cvt (SULEV-2/PZEV)
44 Corolla manual (ULEV-2)
43 Echo manual (LEV-2)
42 Sentra manual (SULEV-2/PZEV)
42 Civic Lean-Burn HX manual (ULEV-1)
51 2-seat EV1 (discontinued)
51 Rav4 (discontinued)
27 = average car