The primary motive for a PURE EV should be driving a futuristic vehicle, using zero foreign oil, and having zero emissions. Cause it won't save you a whole lot of money. With a 20 mile electric range and 60+mpg direct drive motorcycle engine, you could see the fuel cost equivalent to 200mpg or more, about $350 a year for 15,000 miles. Thats $7k for 20 years and 300,000 miles. Compared to $225 a year for 15,000miles for a Pure EV getting 100wh/mi (most EV's are 250+wh/mi) , you would only save $2,500 over 20 years. For one thing, The Pure EV battery pack would not last 20 years or 300,000miles, and you would save more by buying a smaller battery.
Less is more. The cheapest way to get greater than 100mpg equivalent fuel costs is the best answer. Because the difference in fuel costs for a 100mpg car vs a 1,000mpg car is not a whole lot, you save less and less comparatively. Which is why 60-100mile range EV's are not economically sound. You can accomplish the same goal with a quarter the battery size. The cheaper you make it to the same mpg goal, the more you save.
Most people don't know that buying a $30k Nissan leaf does not save money. Anyways, thats the end of my rant.
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I try to be helpful. I'm not an expert.
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