At just over 3oo wh/mile, you're doing well! When I first got the Citicar, it used about 370 wh/mile, mostly due to expired batteries but also due to driving style and charging methodology.
While I can pat myself on the back for being 'on top of the list', IMHO there should be some sort of separation between EVs and gassers on the MPG list (some sort of e-mpg or wh/mile list) to better compare apples with apples.
A neighbor gave me an old electric scooter -like thing (a 'Razor Electric Punk') that looks like it should be fun to play around with. Needs a new battery (doesn't everything???) and a relay.
If you want, how about an additional DC/DC converter that you can turn on when using accessories as needed, such as the defroster fan? Not sure if it is doable, but might save some expense compared to getting a new, larger model.
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