New lead-acid batteries could achieve high performance.
Engineered E. coli proves efficient at churning out the biofuel.
Some still question the vehicle's chances of success, despite a boost from India.
Fuel standards will likely be achievable but won't encourage innovation.
Research shows that silicon is as efficient as pricier materials.
Boston-Power ramps up production of its long-lasting battery.
Nanowire electrodes could improve the performance of electric vehicles.
Advanced biofuels, more-efficient vehicles, and solar power top the most notable energy stories of 2007.
A portable system converts biowaste into jet fuel and diesel for the military.
Making ethanol from corn is expensive. Better biofuels are years away from the gas tank. Farmers are reluctant to change their practices. But do we really have any alternative to biofuels?