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Where did you get that #. And how much gas is used annually in the US.
That's a response to yours in the thread with theoretical numbers. If it's less than a gallon per year times 16 million cars. You said it's still just a drop in the ocean.
Ok, So that # is a guess, and my guess is compared to the amount of gas used, It's a drop in the ocean. I also said if it's a feature on a car that's one thing, But if some lunatic is shutting there car off at a red light, that's entirely different.
While the Iowa DNR may be correct that there is a fuel savings, while probably slight, you have to consider their agenda
Fuel use and pollution
They don't care if it causes problems with your car, It will certainly shorten the life of the battery dramatically
starters, alternators, batteries.... as well as more wear and tear on the rest of the powerplant
all to save what?.... how much fuel are we really talking about?
lets say it's a 1/2 an ounce per stop/start cycle is it really worth the aggravation?
we are probably talking about less than one gallon a year!!!
Actually you're wrong about how it works. Cars that shut themselves off don't use the battery to restart. They use a high discharge capacitor. The capacitor is charged via excess power generated by the alternator (unless the car battery is low in which the alternator is used to charge it at a faster rate).
I'm not sure I understand what the aggravation is with it.
So, what if you're stuck at a train for 20 minutes in the middle of winter? Does it just stay off? Do you have the option to re-start it?
What if you have to move....NOW? Will it be ready to go?
Yes, it will turn off if you're waiting at a train for 20 minutes. It stays off until it is needed (to either drive or to generate heat). It starts immediately... you don't notice the difference with the exception of the engine noise disappearing and restarting.
This is a very popular move with people where I live. They are always in a $50k+ luxury car/suv that gets 14-18 mpg. I assume they think they are saving gas by turning the engine off for 30 seconds at a light. But doesn't starting the engine use more gas than idling for 30 seconds?
Mini Cooper among other new cars when "Eco" or whatever mode is engaged shuts down the motor when vehicle remains stopped.
...per car times 16 million cars sold every year...it adds up.
yes but i only own one and i need it to last
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