What is more efficient in terms of greenhouse gases, buses with diesel engines or electric buses charged with Diesel Generators ?
In: Engineering
Motors run constantly at or near their most efficient speed is one of the major ways that large generators are significantly more efficient than small engines. If you could only run the bus engine only at its most efficient speed you would be closer in efficiency to a large generator but the slow down and speed up of a small engine is really what hurts the efficiency.
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