AAA: Extreme Temps Hurt EV Range
Yes, we know water is wet too, but this study from the AAA provides some interesting findings regarding how extreme temperatures affect the driving range of electric vehicles.
Apparently, the extreme temperature problem cuts both ways
Vehicles were tested for city driving to mimic stop-and-go traffic, and to better compare with EPA ratings listed on the window sticker. The average EV battery range in AAA’s test was 105 miles at 75°F, but dropped 57 percent to 43 miles when the temperature was held steady at 20°F. Warm temperatures were less stressful on battery range, but still delivered a lower average of 69 miles per full charge at 95°F.
AAA performed testing between December 2013 and January 2014. Each vehicle completed a driving cycle for moderate, hot and cold climates following standard EPA-DOE test procedures. The vehicles were fully charged and then “driven” on a dynamometer in a climate-controlled room until the battery was fully exhausted.
Anyone who has spent time in Texas in the summer knows that high temperatures are sufficient to render your phone too hot to use, and the cold is notoriously harsh on battery life for any electronic device, let alone an electric car. But how about the use of wipers, HVAC systems and other essentials for winter (and well, summer) driving, all of which requires battery power when used in an EV.
In temperate climates like Southern California, EVs will always be a viable, 365-day proposition. In cold countries like Norway, where driving distances are short, fuel is astronomically expense and taxes are high for gasoline and diesel cars, EVs can make sense. But given the drops in range when the temperatures hit either end of the scale, it’s tough to see how they can become a viable, mass-market proposition in the near future for much of the United States and Canada.
Mikey on Mar 22, 2014
Real life input from the B&B ,with their everyday EV experience's are to me information that you can't get anywhere else. My financial guy tells me to "quit buying cars for awhile" As a 60 year old I'm still in awe, at how the engineers, can get 150 CU IN engine to move an Impala around. As EV/ battery technology improves, I'm certainly not going to rule out an EV in the future.
Mikey on Mar 23, 2014
@ I bought an 09 Impala LTZ as part of my package, when I retired. It was great car. I had no complaints. IMHO, and many wouldn't agree, the 2014 is a whole different car. We don't have a lot of hills in southern Ont. I did drive through an area,we call the Ridges. Yup..thats when you get reminded your driving a four banger.
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