Tesla is **w upgrading old Roadsters with 340 mile batteries
 

http://cdn.slashgear.com/wp-content/...80-680x291.jpgTesla has begun upgrading Roadster batteries, giving the automaker's oldest car a boost in range in a welcome - albeit expensive - refresh. News that Tesla would turn its newer battery tech**logy to improving the Roadster, production of which ceased in 2012, came as a surprise when Elon Musk an**unced it in late 2014, though it's taken some time to … Continue readinghttp://feeds.feedburner.com/~r/slashgear/~4/URN9h2VKmVk

أكثر...