I’m all for an electrified future, but until battery weight-to-energy density improves, I believe we need efficient, blended solutions that get us to the future in practical steps. As I understand it, diesel generators run rather efficiently at a consistent RPM. Would a diesel generator powering a small battery bank be a better solution than all-electric on semi trucks?
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No, not really better than all electric, but yes better than all diesel. Hybrid semi-trucks exist, but because long haul towing will drain your tank as well as your battery, it doesn’t make it much more efficient because you’ll still need to haul the entirety of a diesel generator. You’re carrying less weight in batteries, but you’re replacing it with an entire internal combustion engine.
As well, any dependence on fossil fuels should be unacceptable as soon as possible, and transitionary solutions like hybrid semis doesn’t make that cut.
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