Cars need BHP & torque when moving off, accelerating and climbing hills.
Cars do not need that much by way of power cruising at a constant speed.
Honda Hybrids give you instant extra power when needed and the rest of the time the small engine covers all other requirments.
National grid is founded on Nuclear, Coal + others and when a peak is needed Hydropower from the likes of the Loch Awe pumped storage - power within a second. When the grid demand is low the Coal & Nuclear power is used to pump the wate back up the hill into Loch Awe.
Similar to Hybrid Honda - power when you need it and re-charged over normal running.
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