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Volvo cars will be able to tell if you're driving tired

Volvo is currently testing in-car sensors that can monitor driver alertness -- ones that can determine if the driver is becoming tired and inattentive. A number of simple systems that basically generate warnings after a certain period of nonstop driving are now available in cars. They take into account the average speed and time elapsed since the vehicle was started.

Mercedes SLS AMG Roadster (2011) first official pictures

This is the Gullwing that isn’t, the new Mercedes SLS AMG Roadster. The new drop-top Benz supercar won’t be officially unveiled until the 2011 Frankfurt motor show in September, but this reveal of a barely disguised car is all part of the big PR tease – the SLS AMG Roadster has already briefly appeared in a Mercedes Superbowl ad. So what do we know about the new Mercedes SLS AMG Roadster?

Tesla Model S first EV to earn high praise from Consumer Reports

Tesla Motors Inc.'s all-electric Model S sports car received the highest score in Consumer Reports' ratings -- a 99 out of 100 -- along with widespread plaudits from the magazine's automotive testing staff. The magazine said the $89,650 EV it tested "performed better, or just as well overall, as any other vehicle -- of any kind -- ever tested by Consumer Reports." The last vehicle to achieve a score of 99 in the magazine's testing was the Lexus LS 460L, which was tested in 2007. The Model S, which went on sale in 2012, also marks the first time any electric vehicle has earned a score that high, the magazine said Thursday.