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Edison motors diesel electric semi

I saw a story on this, didn’t have time to read fully, but seems impressive.
 
mbsieg said:
Diesel hybrid semi direct competition with Tesla semi. It works for locomotives. Why not semis?

Edison Motors | Diesel-Electric Trucks Redefined

Edison Motors - Electric Hybrid Trucks. Power without compromise. Built for loggers, heavy haulers, and the toughest jobs on earth.
www.edisonmotors.ca www.edisonmotors.ca

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Yep Trains have been hybrid for a long long time, they need the 1 rpm full torque that the electric motor delivers. Imagine a small turbo diesel hybrid pickup truck. At 70 mph a full size truck is using 70-80 hp, the little diesel will handle that plus charge the battery then the city or big hill could be helped with the electric motor and get 50 mpg or so.
 
m1west said:
Yep Trains have been hybrid for a long long time, they need the 1 rpm full torque that the electric motor delivers. Imagine a small turbo diesel hybrid pickup truck. At 70 mph a full size truck is using 70-80 hp, the little diesel will handle that plus charge the battery then the city or big hill could be helped with the electric motor and get 50 mpg or so.
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Unfortunately, the vehicle manufacturers have not quite figured out the hybrid system. (In my opinion) You either need high horsepower/torque and no batteries, or low horsepower with batteries and electric generator/motor to make up for the low horsepower/Torque engine. Just my opinion though, I'm definitely not a hybrid expert. It looks like the Edison semi is using a large amount of batteries, and a small diesel generator running at the most efficient speed to charge the batteries.
 
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