http://www.financialpost.com/story.html?id=613448
Sometime over the next several weeks, a privately-held and ultra-secretive company named EEStor Inc. based in Cedar Park, Texas is expected to release the results of independent third-party testing of its electrical energy storage unit, which aims to replace the electrochemical batteries we now use in everything from hybrid cars to laptop computers. EEStor says its system, combining battery and ultracapacitor technology and based on modified barium titanate ceramic powder, could power a car for 400 kilometres with regular performance. It claims the unit would charge in a few minutes and weigh less than 10% of current lead-acid batteries for the same cost.