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Table 3 Engine size, fuel efficiency and emissions data for advertised vehicles by year and magazine (2001–2005)

From: Vehicle emissions and consumer information in car advertisements

Year/magazine Engine sizea Fuel efficiencyb c Greenhouse ratingb d Air pollutionb d
  Mean capacity (L) N (L/100 km) N Mean rating N Mean rating N
2001 2.51 23 9.9 66 5.1 43 5.5 45
2002 2.37 25 9.3 59 5.5 39 5.5 39
2003 2.76 37 10.0 103 5.0 77 5.1 77
2004 2.77 64 10.1 161 5.0 124 5.5 124
2005 2.98 51 9.8 117 5.3 99 5.4 99
Metro 2.64 98 9.8 277 5.2 213 5.4 214
North & South 2.84 102 10.1 229 5.0 169 5.3 170
Total 2.74 200 9.9 506 5.1 382 5.4 384
  1. a "Engine size" taken from actual advertisements.
  2. b Data collection was attempted for all different vehicles (n = 149) and when available it was then extrapolated to the advertisements shown in the magazines.
  3. c "Fuel efficiency" for the advertised vehicles was obtained from an official New Zealand website [9].
  4. d "Greenhouse" and "Air Pollution" ratings are on a scale from 0.5 (worst, most polluting) to 10 (best) based on their CO2 emissions and other air pollutant emissions. These were obtained from an official Australian website [10].