New fuel rules expected to cost $926 per vehicle but save you $3

来源: 于 2010-04-03 19:41:36 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

New fuel rules expected to cost $926 per vehicle but save you $3,000 on gas.
http://www.nytimes.com/2010/04/02/science/earth/02emit.html