The right batteries have arrived for a plugin hybrid conversion. 125 pounds worth, 5 of these batteries will store 6 kwh, which is equivalent to a gallon of gas. And only costs 75 cents. That could get you 40 or 50 miles on plugin power in a really economical car.   more »

And all that fertilizer will release a mess of GHG in the form of methane from the cellulose stored in wetlands where it ends up. It will also cause huge weed overgrowth, temporarily soaking up some CO2, yes. But it will be rereleased (in a 21x worse GHG form) as that weed overgrowth kills the lakes and the weeds and fish die and turn into methane too.   more »