Quote:
Originally Posted by RobertSmalls
The corner lights and dash lights draw about 90W, and headlights draw 110W according to my own measurements. For a 50% efficient alternator, that's an additional 400W (0.5HP) at the crank...
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Thank you for this practical analysis.
My car has HID bulbs, which consume 35W/bulb compared to the typical 55W/bulb incandescent. That means I'm drawing 40% less electrical power. Not only does it draw less energy, it puts out 3x the light. People who appreciate FE would also appreciate electrical efficiency.