Our regular roundup of sci-tech stories from across the Web includes: A Chinese carmaker makes claims that are almost too good to be true, a preview of Windows 7, and someone asks if Google's carbon footprint is actually the problem. Let’s kick it off:
Skeptical excitement: BYD E6, the 250 miles-per-charge electric car
"BYD Auto debuted their E6 full-electric crossover, reportedly capable of a 250-mile trip on just one full charge, putting it ahead of any electric car for sale or announced. We'll probably never see it." [via Jalopnik]
Looking ahead: Do car cameras spell the end of rearview mirrors?
"On the Chevy Spark, a concept car designed in South Korea, outside rearview mirrors have been replaced by attachments that look like slender flashlights pointing backward." [via NPR]
Shock: GM to build its own batteries
"Just as the company makes engines, it will now make battery packs for electric cars." [via Technology Review]