Caterpillar hopes even the heaviest machinery can have a lighter footprint
13 May 2008

As the global price of raw materials continues to boom, few companies are reaping the benefit as much as Caterpillar Inc, the manufacturer of heavy earthmoving equipment whose name is synonymous with the open pit mines that feed global growth and the airports and highways carved from the earth that drive it.
Company officials readily admit that they have done very well in an era of constrained resources and the rapid development of growing giants like China and India that many environmentalists argue is pushing the ecology of the planet to the brink.
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