Diesel: Greener Than You Think
After a century of propelling highway trucks, construction gear, trains, and buses, diesel technology is set to give hybrids a run for the top spot in the green-car market. For consumers, this means more eco-friendly options.
Defying diesel's lingering reputation as a smelly, smoky alternative to gasoline, a new generation of "clean" diesel cars is rolling into U.S. showrooms—at least a dozen are planned in the next two years. Typically selling for less than hybrids, the diesels offer a nearly paradoxical combination of high mileage and punchy performance that is likely to surprise car buyers.
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