If buyers really do plan to line up to buy electric vehicles, even before the government forces them to, automakers had best figure out a way to make them affordable not just to buy, but to build.

We all know battery packs are expensive (with ingredients clouded by child labor and environmental issues), but batteries are only part of the equation. While simple in operation, electric motors are nothing like the aluminum or iron affairs under the hood of your dad’s Buick Enclave. There’s a lot of metals you’ve never heard of in a permanent magnet AC motor.

Toyota, which wants to be an electric car bigshot, just figured out a way to make a cheaper motor. (Read More…)