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Dealer's post-Katrina relief effort keeps growing

When Hurricane Katrina tore through New Orleans in 2005 and left three of Troy Duhon's car dealerships completely under water, it changed the way he did business.

BEST PRACTICES: A well-lighted lot, powered by the sun

Butler Nissan combines LED lights and a solar-array on the store's roof -- and tax incentives for the latter -- to cut costs. Dealer Marsh Butler

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