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...or the yellow light gives everyone a chance to rev their engines so they can lay rubber while accelerating. |
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//Wonder how much fuel we could save?//
Sure - what we save on gas, we'd throw down the tubes for batteries, alternators and starter motors. |
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I read that you should only turn off your engine if you are going to be stopped for more than 2 minutes. |
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I dunno about that, but I certainly know that it is a hard few seconds on your engine. |
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How long do the lights stay red where you drive?
We wouldn't have time to shut off the engine and start it again without a bunch of people honking horns immediately. |
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This wouldn't be for all lights, only really long ones. There is an intersection near my home where 6 streets come together, and it is a real mess. The light is an eternity. |
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Pastry. If for nothing else, the traffic control systems in the United States are far below our technological means. The proliferation of more traffic-sensitive control systems would still be a better first step. I hate being behind a line of 10 cars at a red light, when there is no cross traffic moving through the intersection. |
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As far as vehicle technology, there is no reason why an alternator and a starter cannot be built into a single unit. Hybrid cars achieve this, making start/stop less painful for the engine. An eletric supplementary oil pump would also help. |
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A lot of older engines and lawn tractors, etc. had generator starters. It started the engine then charged up the battery. |
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