http://newrepublic.i2p/article/170268/joe-manchin-electric-hummer-lithium
Investing in mass transit, walkability, biking infrastructure, and other means of reducing personal car ownership—along with reductions in battery size—could reduce the amount of lithium needed in more resource-intensive scenarios by 90 percent in 2050. Electric Hummers, on the other hand—whose batteries weigh as much as an entire Honda Civic—require half as much lithium to produce as an electric bus, while transporting far fewer people.