In terms of our worst areas for carbon emissions, transportation and electricity production easily top the list. According to the American Environmental Protection Agency (EPA), transportation alone constitutes roughly 29 percent of the country’s total carbon emissions. That’s nearly a third of American emissions dedicated to moving vehicles around. We find this ratio relatively consistent in many other countries also, given that global figures cite transportation being among the highest sources of emissions. And as developing countries continue to develop, more potential drivers will be purchasing cars. Figuring out our transportation issues sooner than later should therefore be among our

General Motors and its self-driving car unit Cruise say they’ll start testing unmanned autonomous vehicles in San Francisco by the end of 2020 (via NBC News). On Thursday, the subsidiary said it received a permit from California’s Department of Motor Vehicles (DMV) that allows its autonomous vehicles to operate in the state without a backup human driver at the wheel. In the past, the DMV has granted similar permits to Waymo and Amazon’s Zoox.

“We’re not the first company to receive this permit, but we’re going to be the first to put it to use on the streets of a major