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A new lithium-ion battery from A123 Systems could help electric cars and hybrids come to dominate the roads.
A novel hybrid engine could slash fuel consumption.
New lead-acid batteries could achieve high performance.
GM plans to develop batteries with A123 Systems for its new electric vehicle.
Overall, plug-in cars are a plus for the environment, despite the fact that they would increase the demand for electricity.
A new engine design could significantly improve fuel efficiency for cars and SUVs, at a fraction of the cost of today’s hybrid technology.
Washington’s growing interest could help make plug-in hybrids more affordable. The payoff: 150 miles per gallon.
A Texas company says it can make a new ultracapacitor power system to replace the electrochemical batteries in everything from cars to laptops.
Recent advances in battery chemistry and systems design could lead to working prototypes by year’s end.