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Study
Hydrogen fuel cells plus supercapacitors make most-efficient powertrain

A presentation made by Belgian researchers at Electric Vehicle Symposium (EVS) 27 in Barcelona might irk fans of battery-driven EVs. A new study found that the numbers prove fuel cell hybrid electric vehicle (FCHEV) powertrains partnered with supercapacitors have better fuel economy than powertrains that blend a fuel cell and a battery.

GM looking into supercaps with li-ion batteries for next-gen E-Flex

Like Indiana Jones and some sort of Ark or Tomb or Crystal Skull, today's automotive engineers are always looking for better ways to capture, store and release electrical energy for future hybrids and EVs. Green Car Congress says that GM is "actively exploring" at combining supercapacitors with li-ion batteries for the next generation of E-Flex vehicles (read: don't expect in the 2010 Volt). Speaking at the Advanced Automotive Battery Conference (AABC) this week in Tampa, Forida, GM's Mark Verbr