this post was submitted on 20 Jul 2023
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Yeah but, it's very inefficient to have a gas generator instead of just using the gas to run the motor, right?
In Toyota road hybrids it's actually more efficient because charging the battery at constant lower revs burns less fuel than increasing revs to accelerate but that's just road cars, no idea about 2026 F1 cars.
Burning fuel is definitively less efficient than generating electricity under braking from the front axle.
No generally you can get really good efficiency out of doing that. Lost of rail locomotives do that and are pretty efficient.
Those are generally diesels running at a constant RPM.
Electric trains work for a few reasons, multiple cars can be driven without giving up cargo space, the amount of power put down can be much higher, and wheel slippage can be managed almost instantaneously. These gains allow electric trains to overcome the loss due to electric generation and storage.