Mark Bent wrestles with oil prices. Never mind that crude futures have fallen $20 a barrel from their record in July.
Bent's company, Houston-based SunNight Solar, has seen costs for shipping its solar-powered flashlights rise by about 30 percent so far this year, and they show no sign of abating.
"It kills you," Bent told me in an interview from Shanghai, China, where he's overseeing the manufacture of the company's newest model, the SL-2. "Pennies cost me."
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