Why Warming Up the Car is the Worst Thing You Can Do This Winter
posted by: Beth B. 26 days ago
Depending on where you live, the Winter season is either right around the corner, or has already dumped 36 inches of fluffy white love in your lap (our Colorado town is of the latter variety).
This means that soon it will be necessary for many walkers and bikers to start using their cars again, and many will participate in the winter tradition of "warming up the car." Although this excessive idling is considered a necessary and sometimes chivalrous act, it contributes to a dramatic increase in air pollution during the cold weather season.
In fact, "in winter conditions, emissions from an idling vehicle are more than double the normal level immediately after a cold start (Hamilton County).
Many people are unaware that heating up the car can have such harmful effects, and we are all confused by myths like "it takes more gas to turn the car on than to keep it running, or "turning the car on and off damages the engine." So we sit and wait for the frost to dissolve on the windsheild and the seat warmers to be cranking at full capacity before we climb in.
Although typically ignored or played down by state and even national environmental regulators, more people need to be educated that the best way to warm up your car or truck is to drive it. And studies have shown that frequent restarting has little impact on engine parts such as battery and starter motor.
Idle Facts:
A good rule of thumb is: "Idling gets zero miles per gallon."
In the United States and Canada, if every driver avoided idling for just 5 minutes a day, millions of tons of CO2 would be prevented from entering the atmosphere each year. That would represent a staggering contribution to positive climate change efforts (Gary Klinga).
TAKE ACTION by signing one of these Care2 petitions, and remember that a pair of gloves, a handy windshield scraper and a few minutes of cold are small sacrifices for a healthy planet.
Clean Air for Children
Ban Drive-Thrus in Canada
This means that soon it will be necessary for many walkers and bikers to start using their cars again, and many will participate in the winter tradition of "warming up the car." Although this excessive idling is considered a necessary and sometimes chivalrous act, it contributes to a dramatic increase in air pollution during the cold weather season.
In fact, "in winter conditions, emissions from an idling vehicle are more than double the normal level immediately after a cold start (Hamilton County).
Many people are unaware that heating up the car can have such harmful effects, and we are all confused by myths like "it takes more gas to turn the car on than to keep it running, or "turning the car on and off damages the engine." So we sit and wait for the frost to dissolve on the windsheild and the seat warmers to be cranking at full capacity before we climb in.
Although typically ignored or played down by state and even national environmental regulators, more people need to be educated that the best way to warm up your car or truck is to drive it. And studies have shown that frequent restarting has little impact on engine parts such as battery and starter motor.
Idle Facts:
- Ten seconds of idling can use more fuel than turning off the engine and restarting it. If you are stopped for more than 10 seconds - except in traffic - turn off your engine.
- Every 10 minutes of idling costs you at least 2/10 (0.2) of a gallon of gas - and up about 7/10 (0.7) of a gallon for an 8-cylinder engine. Keep in mind that every gallon of gas you use you produce about 19 pounds of carbon dioxide.
- Exessive idling occurs at drive through windows, drive through bank deposits, and train crossings; while waiting for your kids to get out of school, running into the convenience store, and when picking up your friends for a night out.
A good rule of thumb is: "Idling gets zero miles per gallon."
In the United States and Canada, if every driver avoided idling for just 5 minutes a day, millions of tons of CO2 would be prevented from entering the atmosphere each year. That would represent a staggering contribution to positive climate change efforts (Gary Klinga).
TAKE ACTION by signing one of these Care2 petitions, and remember that a pair of gloves, a handy windshield scraper and a few minutes of cold are small sacrifices for a healthy planet.
Clean Air for Children
Ban Drive-Thrus in Canada
Read more: global warming, air pollution, idling, winter driving, green driving tips
comments
if the car park outside cover the screen up before bed save a lot of time clening the ice off first thing in the moning also save frezzing your hand off as well.and having the eengine running while doing so .it also save fuel
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Thank you Nancy L.
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I try to turn off the engine while in drive thrus, unless the temp is well below zero and I'm actually at the window. (My power windows won't open and close if the engine is off, so if its too cold to leave them open while I'm waiting at the window, the engine has to run.) I also tend to turn the engine on and then buckle my seat belt before putting the car in gear... I figure the 5-6 seconds is enough warm up. I'm lucky in that it's about half a mile to the main road from my house, so I can drive at 15-20 mph for the first bit without bothering anyone else. Usually by then the windows are fully clear and the car is warm.
And Steve P: It's 8 pounds of gas combining with oxygen and combusting to produce those 19 pounds of emissions...
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While I don't believe in excessive idling, it is a known fact that driving a completely cold engine does damage it because the oil hasn't had a chance to circulate among the pistons. I would say that a 1-minute idle is adequate even in winter to sufficiently warm up the oil so that it will coat moving parts and extend the life of the vehicle.
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If there's a way to give back all the things world provide us, I'm going to do it. What does it cost? Nothing. How many You help? Thousands.
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No warm up or scraping for me because I use a snow/frost shield on my windshield. It is just a long piece of nylon that I stretch across the windshield and secure in the doors when I park. It takes a few seconds to set up but saves alot of time and agony of scraping! Even if it gets wet and freezes it only leaves a few lines of ice that are easily removed. If you can't find a commercially made one, you can go to the fabric store and get nylon tent material. Measure your windshield and add a foot more. No sewing needed~You can singe or melt slightly, or use Fray-check on the raw edges to prevent fraying. It should last you many seasons.
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Roger H - there are alternatives. They have heating blankets that are used to keep prevent engines from freezing up in subzero weather and such blankets can also be used to warm windshields. Not sure if using these blankets are better or worse for the environment than car emissions, because about half of our electricity comes from coal. But my point is, you do have alternatives.
And in fact, guys, one day there will be no oil. If you have no alternative now, what will you do then?
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Michele M., I live in northern Indiana and we are in an area where it is necessary to warm up the car long enough to keep the windshield from frosting back up on the inside and outside from your breath and the cold. Some people have to go to work in the early morning hours and safety must come first. We also have occasional ice storms and a half inch of ice can't be scraped off with an ice scraper without using the defroster and a warm engine. I believe in idling as little as possible and use synthetic oil so I don't have to on most days, but there are days when safety comes first and idling for a couple of minutes after start-up is a necessity.
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sorry I meant to say "no" other alternative
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The best thing would be to use the car only when there is other alternative i.e. legs, bus, train...
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Disclaimer: The views expressed above are solely those of the author and may not reflect those of Care2, Inc., its employees or advertisers.
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