2 Articles

The great hope for lithium batteries is their energy density. With six times the energy capacity of lead acid, and two to three times that of the Nickel Metal Hydride chemistry used in every hybrid and all-electric cars such as the Toyota RAV4 EV, they offer promise of longer range zero-emission driving with less weight.

OK, we write about some pretty darn cool technologies and green ideas 'round these parts, but this story takes the cake for wish-we-had-it-today processes. Get this: the idea is to, in the end, be able to snatch carbon dioxide out of the air and make liquid fuel out of it. The process takes the CO2 and then: