All good things must come to an end, and so it is with the green stickers that give plug-in hybrid drivers access to California's freeway carpool lanes with just one person in the car. A total of ...

Solo carpool-lane access has proven to be one of the most effective tools to get California drivers to buy plug-in electric cars. But soon new drivers of plug-in hybrids in the Golden State may no ...

In April, Google users in many countries began seeing green “Ad” labels instead of yellow ones next to text ads in Google search results. In the last week, more and more users have reported seeing the ...