柴油发动机等于燃料节省成本?

作者注:柴油发动机等于燃料节省成本?

人们总是想知道这些新燃料技术“铅笔”。They want to see the math and really know if it's worth paying extra up front to keep on saving for the next 10 years (or however long they intend to keep their car). The answer I've found just about every time is that if you're in it for sheer dollars, it doesn't pencil out. Not for hybrids, not for diesels and not for E85 or whatever else you're into. You have to have another reason to want these cars. These alternative fuels use less oil than gasoline cars across the board, so if reduced drilling or foreign oil dependence is important to you, then put your money where your mouth is, bucko. They also run cleaner -- even clean diesels emit less CO2 than gasoline cars. Welcome to the 21st century! So if greenhouse effects are your bugbear, then you'll have to pay to produce less of them while you drive to work. Just don't expect to finance your solar panel project with the fuel savings.

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