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- jmeeter, on 02/28/2008, -0/+1The article said it best: "So it's good to see that it's not only passenger vehicles that are improving in efficiency."
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treehugger.com — Trucks are not a sexy topic, but they are a big contributors to air pollution and global warming, especially in the US where shipping by train has seen better days (in 2002, trucks transported 58.2% of all commercial freight while rail was 12%).