完全沒必要，這個網上查查就知道了

來源: 於 2015-01-15 20:06:28 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

http://www.washingtonpost.com/blogs/wonkblog/wp/2014/12/29/the-biggest-winter-energy-myth-that-you-need-to-idle-your-car-before-driving/