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