You should be able to drive across the Northwestern part of the United States a little more quickly in the coming months. Idaho and Wyoming have just passed laws to raise some interstate speed limits to 80 miles per hour.
This might come as puzzling news for any Angeleno or San Franciscan whose head is ringing from the most recent batch of potholes: California has the highest state gas taxes in the country, charging almost five times as much per gallon as low-tax states such as Alaska and Georgia, the US Energy Information Administration (EIA) says.
If the US would like to stop importing 80 percent of its lithium, mainly from China, and if Bolivian sources don't come through, it looks like there is a big domestic opportunity: Wyoming. Having an ample domestic supply would bring down the price of lithium, which could mean electric vehicles would become more cost competitive.