The best part is that car is like the Volt - there's a small engine to charge the battery.
As an engineer i cannot argue with hybrid technology. It can be practical if you think about it. But just electric only cars. I think are very impractical in some situations.
Hybridization of larger vehicles is more practical. The way it was introduced was by squeezing another 5 mpg out of a car that was designed to get 40 mpg. We'd get better results from making larger vehicles (SUVs, and trucks) hybrids because they have worse mileage than the car.
The REX range extender was (is?) an optional accessory. Still idiotic.
Was it an option? I thought it was default.
In Germany it was. Not sure about other parts of the world. Test drove one without the thing in circa 2017. It was in a compartment under the trunk. Even if you didn't order the REX, you didn't get more trunk space, just an inaccessible empty compartment. That's what the dealer told me back then.
That's pretty much how Diesel train locomotives work. The Diesel engine is just generating power for the electric traction motors than turn the wheels.
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