Automotive CO 2 Emissions Characterization by U.S. Light-Duty Vehicle Platform. John DeCicco, * Feng An, † Huiming Gong † Presentation at the TRB Annual Meeting Washington, DC – January 2005. * Environmental Defense † Energy and Transportation Technologies, LLC. Overview.
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John DeCicco,* Feng An,† Huiming Gong†
Presentation at the TRB Annual Meeting
Washington, DC – January 2005
†Energy and Transportation Technologies, LLC
Why look at platforms?
Maximizing the market benefits of product differentiation
Minimizing costs througheconomies of scale
Next 5: Ford Explorer, Honda Accord, Chevy Trailblazer, Chrysler Voyager, Chevy Malibu
Variation ≡ (Max-Min)/Mean [sales-weighted]
N.B. Drive type was not examined, but other analysis indicates typical 10%-15% CO2 impact for 4- vs. 2-WD.
(identified here by representative models)
No correlation to weight (r = -0.04)
Ton-MPGfor trucks only 5% lower than cars on average
Some, but not all, large variations reflect platform age ("dated"-ness)