无知没什么，但无知还不自知，还要跳岀来误导那就…… 油都是从各大炼油厂refinery批发来的，无论是Shell, Mobil, Exxon, 还是Chevron, Texaco. 但各家的additives就五花八门各凭良心了，导致进你车油箱的油品并不完全相同。 至于你声称的所谓“违法”，呵呵，Costco独家配方additives并冠名Kirkland平价路线的gasoline, 都是在油站on site blend的，来来来大聪明，给你指条实现财富自由的“捷径”：赶紧举报Costco“违法” Costco官网：https://www.costcoauto.com/automotive_articles/safety_and_technology/top_tier_gas_nozip.aspx “As the number of Costco gas stations grew, the challenge was to find an efficient way to mix the gasoline and the additives to meet Costco’s high standards. Tim says Costco decided the best system would be to blend the additives at Costco gas stations during the fuel delivery. This way, he explains, Costco could have complete control over both the process and the quality aspects of the fuel.” Reddit上有人总结Costco油价低的几个可能原因： （1）赔本赚吆喝不指望gas赚钱，希望大家去办卡，毕竟它家财报上净利润主要靠会员费； （2）没有固定品牌，他们的油采购都是大杂烩，今天哪家的油便宜就买哪家的，简单点说就是Mix&Match； （3）加乙醇多，这也就是为啥经常感觉跑的miles数少，长途看不太出来，但是跑local很明显, 其实便宜那点钱和少跑百分之十几也就打平了，会员没拣到啥便宜； （4）不少德系车主反映Costco的油动力差烧得快； （5）长期使用Costco油对某些汽车油泵甚至发动机部件的不利影响。 大家自行斟酌。如果本田雅阁啥的，Costco离家近不用排队就可以加到便宜油，天天跑长途，车是lease的过几年就还回去，也许值得经常加它家的油。 我反正能加Shell就尽量加Shell的油。
汽油中乙醇的含量是有法律规定的。E10就是10%. 硬要说Costco加的多，shell bp Exxon加的少就有点先入为主的认知偏差了。costco不是，难道shell这些大油厂就是做慈善的？ tlybt 发表于 2025-02-24 08:08
You get what you pay for. 只有错买的，没有错卖的 😆 U.S. Energy Information Administration（EIA) 官网2023年统计数据显示： https://www.eia.gov/tools/faqs/faq.php?id=27&t=10 “Most of finished motor gasoline sold in the United States is about 10% fuel ethanol by volume. In 2023, about 0.33 billion barrels (13.73 billion gallons) of fuel ethanol were blended into the 3.26 billion barrels (137.11 billion gallons) of finished motor gasoline consumed. Fuel ethanol contains a denaturant that is added to ethanol to make fuel ethanol unfit for human consumption. Federal law requires that fuel ethanol contain at least 2% denaturant by volume, but the actual amount in fuel ethanol may be higher.” Additives里只有乙醇吗？天真了哈 😝 具体啥配方能降低成本，走Kirkland一贯的价格亲民路线，Costco是不会告诉大家的 🤣 乙醇成本比汽油低，这个地球人都知道吧？2022年夏季，乙醇和汽油都在涨价，但乙醇涨幅低于汽油涨幅，于是那个夏天全美汽油乙醇含量平均达到了10.5%: https://www.eia.gov/todayinenergy/detail.php?id=54839 那也不能证明超量的乙醇都是Costco加油站干的呀？没错。但EIA官网写着呢: “The energy content of ethanol is about 33% less than pure gasoline.” 这是Common sense来的，应该杠不动吧？！😄 比较不同油品之间的MPG (Miles per Gallon) 行不行？ 我只是把Shell和Costco比较了一下（同季节、同highway/local占比、同司机同驾驶习惯），差别还是挺明显的，而且个人感觉动力也比较肉。 英文论坛上有人把车加不同牌子的油MPG做了个比较： “Brand average mile driven in full tank @ 87 octane Shell = 370 Chevron = 350 76 = 350 Valero = 340 Arco = 310-320 Costco = 290 I don''''t know what shell puts in there gas, but i consitently get slightly better mileage with it.” Reddit上坛友反聩： “I have been filling with Costco (also my employer) for years. I drive an Audi S4 and noticed a huge difference in power, and MPGs when I fill up with Shell premium. It’s wildly different. Unsure as of why.” “When I used Costco gas, I consistently got 2 MPG less on each tank. Others who don’t track their mileage have said that they notice getting to empty quicker than other stations. Totally anecdotal, I know, but 2 MPG less equates to as much or more spent per tank, not to mention waiting in the zoo line to fill up there.” 下面这个比较惊悚，但他是改装过的发动机： “I have a modified 2002 Mustang GT with a 2.1L Kenne Bell supercharger. When filling with Shell or Esso 91 Octane, I have zero detonation issues. I have tracked the car and driven on hot humid summer days with no issue. If I fill with Costco 91, I’m hit with detonation at high engine load and/or high RPM. I’ve then refilled with Shell and the detonation disappears. Try Costco again, detonation has returned. That being said, we’re comparing a modified v8 with an aftermarket supercharger to a factory turbo 4 or 6. I can only say that the vehicle is sensitive to fuel, there is a difference. I know Costco isn’t operating their own refineries, but maybe they are using lower quality additives.”
Milieux 发表于 2025-02-24 10:29 You get what you pay for. 只有错买的，没有错卖的 😆 U.S. Energy Information Administration（EIA) 官网2023年统计数据显示： https://www.eia.gov/tools/faqs/faq.php?id=27&t=10 “Most of finished motor gasoline sold in the United States is about 10% fuel ethanol by volume. In 2023, about 0.33 billion barrels (13.73 billion gallons) of fuel ethanol were blended into the 3.26 billion barrels (137.11 billion gallons) of finished motor gasoline consumed. Fuel ethanol contains a denaturant that is added to ethanol to make fuel ethanol unfit for human consumption. Federal law requires that fuel ethanol contain at least 2% denaturant by volume, but the actual amount in fuel ethanol may be higher.” Additives里只有乙醇吗？天真了哈 😝 具体啥配方能降低成本，走Kirkland一贯的价格亲民路线，Costco是不会告诉大家的 🤣 乙醇成本比汽油低，这个地球人都知道吧？2022年夏季，乙醇和汽油都在涨价，但乙醇涨幅低于汽油涨幅，于是那个夏天全美汽油乙醇含量平均达到了10.5%: https://www.eia.gov/todayinenergy/detail.php?id=54839 那也不能证明超量的乙醇都是Costco加油站干的呀？没错。但EIA官网写着呢: “The energy content of ethanol is about 33% less than pure gasoline.” 这是Common sense来的，应该杠不动吧？！😄 比较不同油品之间的MPG (Miles per Gallon) 行不行？ 我只是把Shell和Costco比较了一下（同季节、同highway/local占比、同司机同驾驶习惯），差别还是挺明显的，而且个人感觉动力也比较肉。 英文论坛上有人把车加不同牌子的油MPG做了个比较： “Brand average mile driven in full tank @ 87 octane Shell = 370 Chevron = 350 76 = 350 Valero = 340 Arco = 310-320 Costco = 290 I don''''t know what shell puts in there gas, but i consitently get slightly better mileage with it.” Reddit上坛友反聩： “I have been filling with Costco (also my employer) for years. I drive an Audi S4 and noticed a huge difference in power, and MPGs when I fill up with Shell premium. It’s wildly different. Unsure as of why.” “When I used Costco gas, I consistently got 2 MPG less on each tank. Others who don’t track their mileage have said that they notice getting to empty quicker than other stations. Totally anecdotal, I know, but 2 MPG less equates to as much or more spent per tank, not to mention waiting in the zoo line to fill up there.” 下面这个比较惊悚，但他是改装过的发动机： “I have a modified 2002 Mustang GT with a 2.1L Kenne Bell supercharger. When filling with Shell or Esso 91 Octane, I have zero detonation issues. I have tracked the car and driven on hot humid summer days with no issue. If I fill with Costco 91, I’m hit with detonation at high engine load and/or high RPM. I’ve then refilled with Shell and the detonation disappears. Try Costco again, detonation has returned. That being said, we’re comparing a modified v8 with an aftermarket supercharger to a factory turbo 4 or 6. I can only say that the vehicle is sensitive to fuel, there is a difference. I know Costco isn’t operating their own refineries, but maybe they are using lower quality additives.”
无知没什么，但无知还不自知，还要跳岀来误导那就…… 油都是从各大炼油厂refinery批发来的，无论是Shell, Mobil, Exxon, 还是Chevron, Texaco. 但各家的additives就五花八门各凭良心了，导致进你车油箱的油品并不完全相同。 至于你声称的所谓“违法”，呵呵，Costco独家配方additives并冠名Kirkland平价路线的gasoline, 都是在油站on site blend的，来来来大聪明，给你指条实现财富自由的“捷径”：赶紧举报Costco“违法” Costco官网：https://www.costcoauto.com/automotive_articles/safety_and_technology/top_tier_gas_nozip.aspx “As the number of Costco gas stations grew, the challenge was to find an efficient way to mix the gasoline and the additives to meet Costco’s high standards. Tim says Costco decided the best system would be to blend the additives at Costco gas stations during the fuel delivery. This way, he explains, Costco could have complete control over both the process and the quality aspects of the fuel.” Reddit上有人总结Costco油价低的几个可能原因： （1）赔本赚吆喝不指望gas赚钱，希望大家去办卡，毕竟它家财报上净利润主要靠会员费； （2）没有固定品牌，他们的油采购都是大杂烩，今天哪家的油便宜就买哪家的，简单点说就是Mix&Match； （3）加乙醇多，这也就是为啥经常感觉跑的miles数少，长途看不太出来，但是跑local很明显, 其实便宜那点钱和少跑百分之十几也就打平了，会员没拣到啥便宜； （4）不少德系车主反映Costco的油动力差烧得快； （5）长期使用Costco油对某些汽车油泵甚至发动机部件的不利影响。 大家自行斟酌。如果本田雅阁啥的，Costco离家近不用排队就可以加到便宜油，天天跑长途，车是lease的过几年就还回去，也许值得经常加它家的油。 我反正能加Shell就尽量加Shell的油。
早晨7:30以前，队伍不长
放心。
人不同时间的时间价值是不一样的，很多时间就是浪费掉的，选人少点的时间段，车里休息放松听歌就好。
很早就在Reddit上看西人讨论Costco油品差，乙醇含量太高，长期烧这种汽油，易导致发动机活塞胶条硬化。
由于乙醇燃料燃烧值只有汽油的60%，所以在Costco加的油耗油量可能比较大。
我车加满油差不多可以跑700公里，有次几乎空箱，去Costco加满，最后只跑了600公里不到。
一分钱一分货，羊毛出在羊身上，天上不会掉馅饼，资本家不是慈善家 🤣
这要看具体车，但层主是加拿大？
不是。我习惯用公制，车辆设置也都是设成公制（km instead of mile)
身高6 feet我没慨念，1米83才有概念 🤣
你可拉倒吧 costco和你加油的油站，都是从同一个地方批发的，质量上不会有啥区别 通常一个州就几个大的炼油厂，所有加油站的油都出自这几个厂家 汽油一旦出了炼油厂，你再往里加东西卖是违法的
Costco关门前几分钟去加油。
无知没什么，但无知还不自知，还要跳岀来误导那就……
油都是从各大炼油厂refinery批发来的，无论是Shell, Mobil, Exxon, 还是Chevron, Texaco. 但各家的additives就五花八门各凭良心了，导致进你车油箱的油品并不完全相同。
至于你声称的所谓“违法”，呵呵，Costco独家配方additives并冠名Kirkland平价路线的gasoline, 都是在油站on site blend的，来来来大聪明，给你指条实现财富自由的“捷径”：赶紧举报Costco“违法”
Costco官网：https://www.costcoauto.com/automotive_articles/safety_and_technology/top_tier_gas_nozip.aspx
“As the number of Costco gas stations grew, the challenge was to find an efficient way to mix the gasoline and the additives to meet Costco’s high standards. Tim says Costco decided the best system would be to blend the additives at Costco gas stations during the fuel delivery. This way, he explains, Costco could have complete control over both the process and the quality aspects of the fuel.”
Reddit上有人总结Costco油价低的几个可能原因： （1）赔本赚吆喝不指望gas赚钱，希望大家去办卡，毕竟它家财报上净利润主要靠会员费； （2）没有固定品牌，他们的油采购都是大杂烩，今天哪家的油便宜就买哪家的，简单点说就是Mix&Match； （3）加乙醇多，这也就是为啥经常感觉跑的miles数少，长途看不太出来，但是跑local很明显, 其实便宜那点钱和少跑百分之十几也就打平了，会员没拣到啥便宜； （4）不少德系车主反映Costco的油动力差烧得快； （5）长期使用Costco油对某些汽车油泵甚至发动机部件的不利影响。
大家自行斟酌。如果本田雅阁啥的，Costco离家近不用排队就可以加到便宜油，天天跑长途，车是lease的过几年就还回去，也许值得经常加它家的油。
我反正能加Shell就尽量加Shell的油。
我 2024 RAV4 Hybrid 基本能开到 spec 的 gas mileage
当然没有 A/B 测试
我老眼昏花，竟然看成了永远大队长，还想跟大队长有啥关系，看到后面竟然是嫌队长。
east bay也还好
本来懒得回帖， 但看你说话这么冲，就问问你开的什么高档车的发动机活塞套胶条？
你是选择性失明吗？谁蹦出来放冲不𢤦装懂的？你家人还是好友？
本来懒得理你，但还是要好心提醒一下你应努力提高中文阅读理解水平 😆
我转述Reddit上看到的别人的讨论而已，你哪只眼睛看到我说是我的车了？！
说话发言要有理有据，不能满嘴跑火车为了杠而杠，硬杠只能贻笑大方 😝
汽油中乙醇的含量是有法律规定的。E10就是10%. 硬要说Costco加的多，shell bp Exxon加的少就有点先入为主的认知偏差了。costco不是，难道shell这些大油厂就是做慈善的？
亲测costco的油确实不经烧
You get what you pay for. 只有错买的，没有错卖的 😆
U.S. Energy Information Administration（EIA) 官网2023年统计数据显示：
https://www.eia.gov/tools/faqs/faq.php?id=27&t=10
“Most of finished motor gasoline sold in the United States is about 10% fuel ethanol by volume. In 2023, about 0.33 billion barrels (13.73 billion gallons) of fuel ethanol were blended into the 3.26 billion barrels (137.11 billion gallons) of finished motor gasoline consumed. Fuel ethanol contains a denaturant that is added to ethanol to make fuel ethanol unfit for human consumption. Federal law requires that fuel ethanol contain at least 2% denaturant by volume, but the actual amount in fuel ethanol may be higher.”
Additives里只有乙醇吗？天真了哈 😝 具体啥配方能降低成本，走Kirkland一贯的价格亲民路线，Costco是不会告诉大家的 🤣
乙醇成本比汽油低，这个地球人都知道吧？2022年夏季，乙醇和汽油都在涨价，但乙醇涨幅低于汽油涨幅，于是那个夏天全美汽油乙醇含量平均达到了10.5%:
https://www.eia.gov/todayinenergy/detail.php?id=54839
那也不能证明超量的乙醇都是Costco加油站干的呀？没错。但EIA官网写着呢:
“The energy content of ethanol is about 33% less than pure gasoline.”
这是Common sense来的，应该杠不动吧？！😄
比较不同油品之间的MPG (Miles per Gallon) 行不行？
我只是把Shell和Costco比较了一下（同季节、同highway/local占比、同司机同驾驶习惯），差别还是挺明显的，而且个人感觉动力也比较肉。
英文论坛上有人把车加不同牌子的油MPG做了个比较：
“Brand average mile driven in full tank @ 87 octane Shell = 370 Chevron = 350 76 = 350 Valero = 340 Arco = 310-320 Costco = 290
I don''''t know what shell puts in there gas, but i consitently get slightly better mileage with it.”
Reddit上坛友反聩：
“I have been filling with Costco (also my employer) for years. I drive an Audi S4 and noticed a huge difference in power, and MPGs when I fill up with Shell premium. It’s wildly different. Unsure as of why.”
“When I used Costco gas, I consistently got 2 MPG less on each tank. Others who don’t track their mileage have said that they notice getting to empty quicker than other stations. Totally anecdotal, I know, but 2 MPG less equates to as much or more spent per tank, not to mention waiting in the zoo line to fill up there.”
下面这个比较惊悚，但他是改装过的发动机：
“I have a modified 2002 Mustang GT with a 2.1L Kenne Bell supercharger. When filling with Shell or Esso 91 Octane, I have zero detonation issues. I have tracked the car and driven on hot humid summer days with no issue. If I fill with Costco 91, I’m hit with detonation at high engine load and/or high RPM. I’ve then refilled with Shell and the detonation disappears. Try Costco again, detonation has returned. That being said, we’re comparing a modified v8 with an aftermarket supercharger to a factory turbo 4 or 6. I can only say that the vehicle is sensitive to fuel, there is a difference. I know Costco isn’t operating their own refineries, but maybe they are using lower quality additives.”
Anyway, 车不同，人不同，加油时考虑的因素也不尽相同。喜欢加Costco油的可能就一个理由: 我喜欢我高兴！
我反正能加Shell 尽量加Shell, 有时候开到偏僻的地方有加油站就不错了，没的选 🤣
我印象中是乙醇最多可以添加10%。up to 10%。少添加没问题。另外貌似也不是必须要添加乙醇？？
以前在加州用shell/chevron, 现在加shell为主，偶尔bp, 附近没有chevron
这些消息来源的可靠性，本身可能就有问题。
另外你提到活塞橡胶条硬化，活塞上的是活塞环 piston ring ，并不是软的。
arco的油没有添加剂，所以便宜，跟Costco的差不多。
是火花塞吧，记错了也是可能的
全部都是据说、听说、某网上看到、有车主反应、有可能是...
但是e85的加油站越来越少了
火花塞上的密封圈能不能接触到汽油还是个问题。
E10 也就是含 10% 乙醇的汽油，确实有可能对密封圈有影响，但首先是对 fuel system 里的密封圈，而不是 engine system ，这是常识好吧。
但问题是所有 2000 以后的车，都设计为能够 handle E10 汽油，所以密封圈不会是问题，非常老旧的车另说。
实际上不可能完全不参与燃烧，不是水。
当然如果非常旧的车，设计时根本没有考虑 E10 的燃烧效率，主要是计算机和 sensor ，那确实不是没有可能，但不适合大部分人的情况。
我以前的车是e85的，也可以加87。我加过一次e85再也不加了。同样volume，e85起码少跑20%miles。虽然e85便宜，但是我频繁去加油也是要消耗时间的。至于其他利弊因素，超过我普通老百姓能力，顾不了了。
这个很多时候能比Costco加油便宜
加州有些新建的加油站挺大的，基本不用怎么排队
这是啥豌豆公主车？ Pagani?
COSTCO油不禁烧 很多车还容易亮引擎灯 随便去个老外的汽车论坛看看吧
人家问你哪一年的啥车型，你左顾而言其他？
对于有些州，有些旧车不吃 E10 含 10% 乙醇的旧车，确实有可能。
我今天早上 2024 RAV4 XSE ，从家里开到公司，Costco 的汽油，43.3 mpg (当然 mpg 受很多其他因子影响，一次不算数）
加了Costco 至少15年
美国车，欧洲车，日本车，都有
小车，皮卡，SUV，minivan，都有
4-5年的旧车，全新的，都有
从来没有 经历过，也从来没有 听说过身边的任何的人
有这种经历，那个dealer 应该是在胡扯
这个要实事求是，如果层主的车真的不吃 E10 汽油的话，如果不在加州，那么还是加 ethanol 含量低的汽油。
不过这不是为了钱，如果计算机系统无法正确 handle E10 的燃烧特性，那么有可能会发生燃烧不充分而积碳，而如果发动机的 piston ring 是让 EPA 开心的 low tension penis ring 的话，是有可能增加烧机油俗称勃起不坚的问题的。
但目前大多数车，特别是加州 emission 要求的，不存在不能 handle E10 汽油的问题。
赞同 除非特别早
那个报错太夸张了。
我们这里Costco一般也是排长队。只有快关店的时候，基本不用排队。只有不排队的时候我才到Costco加油，所以我加Costco油的次数不多。平时我都是加Shell的。相比Shell的油，Costco的油明显会使发动机（2GR-FKS）的声音大一点。至于MPG，因为加得少，从没实测过。
不过纠正一点。气缸活塞的油环都是金属的。油环卡死拉缸都是因为积碳过多。积碳过多都是因为机油不够好，换油不勤。Costco家的油可能积碳会多一点，但勤换机油应该能解决。
我的车是2023 BMW X5 M 其实消费观念不同不冲突 你愿意加加呗 又便宜又好是不
作为一个有正常智商的人碰到这种宣称， 第一反应难道不是软广告？ 真有严格出处那shell 还不赶紧到处打广告？ 居然还有人信以为真到处贴
就一个最简单的逻辑，she’ll需要挣钱， 路边小加油站也是要挣钱的！ ， 租金， 量小，人工。平摊下来你买的油有很多额外成本 众所周知Costco 的油并不是主要收入来源， 地租， 量大， 各种额外成本非常低
自己想哈， 不是啥rocket science