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How Google's autonomous car navigates city streets

Google's self-driving car has been on the road for five years now, at various levels of autonomy. From the ease and relative serenity of California's arrow-straight highways, the car drove hundreds of thousands of miles with a greater level of concentration and mastery than the wandering attention spans of humans could accomplish. In 2012, Google shifted from the freeways to the cities, navigating a far more convoluted set of challenges: the slow-speed chaos that comes with any city, any suburb, any place with people and cars in it.

New vehicle labels to compare fuel economy, emissions with U.S. average

Window sticker labels will show how new vehicles' fuel economy and emissions levels compare with the U.S. fleet average starting in the 2013 model year, the Obama administration said Wednesday. The new federal rules carry out a 2007 law that requires labels to put new vehicles in fleetwide context for fuel economy, greenhouse gases and smog-forming pollutants.

Nissan recalls nearly one million vehicles for airbag problem

Nissan is recalling nearly one million vehicles for a problem with the airbags. The occupant classification system (OCS) may incorrectly think that the passenger seat is empty when it is occupied by an adult, failing to activate the airbag in a collision. Cars affected include the 2013-2014 Leaf, Altima, Pathfinder and Sentra, as well as the 2013 NV200, 2013 JX35, 2014 QX60 and the 2014 Q50.