Best Values in Clean Cars
By Mark Solheim
New-generation clean diesels aren't nearly as dirty, noisy or unreliable as the cars many people remember from a generation ago. Although it's made from petroleum, diesel is an easy way to ease oil-shortage and climate-change concerns. Diesel engines get 30% better fuel economy than comparable gasoline engines, and they emit far fewer greenhouse gases. Another bonus: Diesel engines can run on biofuels made from vegetable oils.
The price premium for diesels is less than it is for hybrids. For example, the Mercedes E320 diesel sedan costs only $1,000 more than the gas-engine E350 -- a premium easily recouped through lower fuel costs. That gap could widen slightly as carmakers refine their emissions-cleanup systems. Click here to read the full story.
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