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Founder of A123 Systems starts a new company to commercialize the technology.
High fuel prices make the cars cost-effective in Europe.
Cars that park themselves and automatically convoy with other cars could reduce congestion and emissions.
The 918 Spyder will be the world’s fastest plug-in hybrid.
Alternative approaches replace the battery with compressed air or a flywheel.
Companies hope to turn aging trucks, vans, and taxis into more efficient hybrids.
Precise combustion control cuts fuel consumption by more than 30 percent.
Battery breakthroughs could lower costs and improve performance for electric vehicles and renewable energy storage–but commercializing these new technologies will be challenging.