this post was submitted on 10 Sep 2025
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Electric Vehicles
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Electric Vehicles are a key part of our tomorrow and how we get there. If we can get all the fossil fuel vehicles off our roads, out of our seas and out of our skies, we'll have a much better environment. This community is where we discuss the various different vehicles and news stories regarding electric transportation.
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There is not much R&D to invest in EVs. Motors are 98% efficient and any technical advances come from battery suppliers. No transmissions, no emissions to meet, etc.
Most electric motors are designed to run at 50% to 100% of rated load. Maximum efficiency is usually near 75% of rated load. Thus, a 10-horsepower (hp) motor has an acceptable load range of 5 to 10 hp; peak efficiency is at 7.5 hp.