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.
New studies show that it takes less energy to grow cellulosic crops.
A plan to build the largest wind farm in New England has received final approval.
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.
The energy bill signed this week will have an enormous impact on biofuels.