Because hydrogen can clean the exhaust right from a cold engine start, the plasma reformer method is 20% to 50% more efficient at reducing NOx than other clean-diesel technologies, allowing less unburned fuel to pass through in the process.

FORBES: Clearing the Air

It's always tougher to jump start a cold engine.

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By enabling increased power at low temperatures, Nanophosphate EXT is expected to substantially improve the cold-cranking capabilities of A123's lithium ion 12V Engine Start battery.

ENGADGET: A123 Systems' new lithium ion tech keeps EV batteries cool, your wallet in check