One way to offset the new expense is to negotiate with vendors for lower-cost ingredients and packaging, such as pizza boxes.

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Kiltow often accompanied his father, helping him with the lightweight items, such as cardboard boxes, and collecting scrap metal and rags for recycling.

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The agency has sought more safety features and higher technology, such as data boxes on each car that can provide valuable information in case of a crash, Hersman said.

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