Billions of people continue to burn dangerous and costly kerosene in lamps to see at night. Start-up d.light design, which aims for no less than to eliminate kerosene around the world within a decade, is launching three off-grid lighting products for developing regions. "We believe that 1.6 billion people without regular access to electricity deserve high-quality, safe and dependable light that they can afford," said Sam Goldman, CEO of New Delhi, India-based d.light design, in a Monday statement.