Caterpillar Turns on Hybrid Solar-diesel 'Microgrid'
By David Wichner, Arizona Daily Star
May 4, 2016 4:05 PM ET
Campaign:
Sustainable Innovation
Originally published by The Arizona Daily Star
Caterpillar Inc. has run its Tucson proving ground near Green Valley since 1990, putting mining trucks and other massive machines through their paces in the shadow of Freeport-McMoRan’s Sierrita mine. All the while the relatively remote, off-grid facility has been powered solely by Cat’s own diesel generators — but now the sun will do part of the work. The construction machinery giant last week launched a new product line with the christening of a hybrid solar-generator “microgrid” system at the proving ground.
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