Why better-battery startups fail in the US and how to fix it: report

Flat lithium-ion battery back for next-generation Mercedes-Benz electric carsOver the past decade, advances in battery technology have progressed steadily, but not quite as quickly as impatient electric-car advocates might like. With electric cars and plug-in hybrids fast becoming part of every carmaker's lineup, durable, less expensive, and higher-capacity batteries are more important than ever. Yet despite growing...