Over a 5-year time frame with the newer EVs (i.e. not Citicar or Zap golf cart technology), this has not really been the case. The latest Volt and the new Bolt have the only really new technology that has shown up, and that's the dual rotor motor which will boost range 15% under the best circumstances. Aside from that, increased range today still comes with the exact same penalty it did in 2013, and that is extra weight of bigger batteries.
Aside from that dual rotor motor, Lithium battery and electronics technology is much the same after 5 years. Cars like the Leaf have benefitted from better design, not new technology. A theoretical state of the art 2018 500e (i.e. not trying to be a Tesla) would like be designed with the same choices and compromises the designers made 2013.
Volt and Bolt the only really new technology? How does a motor boost range? I would like to see some figures on kW consumption vs power at the shaft. The best way to boost range is to drive at a slow speed on a closed course without braking or accelerating. I can't find any published information on this "dual rotor" motor except that the Bolt drive train was developed by LG and has a completely different design from the Volt.
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Last edited by Ampster; 01-22-2017 at 11:18 AM.