![]() ![]() ![]() But while each carmaker would probably love to track all of their customers' driving habits, the post-Snowden era could produce a backlash over the privacy implications. Happily, FleetCarma's charts provide exactly that information.įord is known to have embraced Big Data early, and its competitors are surely following suit. No verification protocol–however rigorous–can provide the breadth and quality of feedback that comes from widespread deployment. These kinds of data gathered by FleetCarma will help automakers fine-tune future development efforts, as there's simply no substitute for large sets of field data. One wonders whether a ski hill was involved.ĭevelopment engineers at Nissan and Chevrolet closely studied their batteries' behavior in different temperature in the test lab-but they could only get limited data from their own extreme-weather testing as to how that would affect battery range across the very wide spectrum of driver behaviors.ĭata from FleetCarma on Nissan Leaf electric-car battery range variation with temperature Shockingly, Leaf hypermilers sometimes beat the averages by 60 percent, garnering 120 miles of range against 75 miles (195 km vs 120 km) for the mere mortals among their peer group. ![]() The data set for Chevy Volt range-extended electric cars used by FleetCarma was smaller, at about 4,000 data points, as the analysts excluded trips taken when the temperature fell below 25 degrees F (-4 degrees C).īelow that temperature, the Volt periodically runs the combustion engine, which distorts results based on continuous battery range alone.įleetCarma charted the best range results alongside the averages, showing that some Volt hypermilers were able to increase electric range more than 30 percent over others-achieving about 60 miles vs. Data from FleetCarma on Chevrolet Volt electric-car battery range variation with temperature ![]()
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