Are electric cars greener than conventional gasoline cars? If so, how much greener? What about the CO2 emissions produced during electric cars production?\r<br>\r<br>Electric cars are more efficient than gas cars, but where do you think that energy comes from? #AdamRuinsEverything Watch Adam Ruins Everything on truTV .\r<br>\r<br>Scientists have found that electric cars might not be as green as we thought. How could this be? Theres A Car Thats Powered By Salt Water!\r<br>\r<br>All-electric cars have zero emissions at the tailpipe, but thats not the only place in their life cycle where these green cars can launch greenhouse gasses into the .
