Why 2013 is the Year of the Diesel

As consumers clamor for cars with higher mpg numbers and with rigorous new federal fuel-economy standards on the horizon, carmakers are exploring all their options. This has largely meant improving the gasoline internal combustion engine's efficiency and offering a few hybrid and electric vehicles. Conspicuously absent from many lineups in the U.S., however, have been vehicles with diesel powerplants. And understandably so: The Ameri?can public has been reluctant to embrace diesels ever since General Motors and other automakers sold noisy, dirty, and unreliable versions back in the '80s. But modern diesel systems are clean, powerful, and fuel-efficient.

Recent diesel options in the U.S. have largely been limited to luxury European brands, but Volkswagen's years of steady diesel sales show that there is a demand for them in mass-market segments. Now other automakers want in on the action. Three cases in point: the new Grand Cherokee, Chevrolet Cruze, and Mazda6?mainstream debuts this year from automakers not typi?cally known for diesels. In addition, Porsche has introduced a diesel version of the Cayenne, and Audi, BMW, and Mercedes-Benz are all slated to expand their diesel selections. Even the Ford Transit and Ram ProMaster vans are joining the fray. All told there will be more diesel-powered passenger vehicles for sale in 2013 than ever before in the U.S.

This is good news. Because diesel engines operate at a high compression ratio and the fuel has a higher energy density (about 15 percent more than gasoline), fuel economy is high and torque is abundant. With excellent thrust off the line and long cruising ranges,? diesels fit the driving style of most Americans. Of course, there's a catch: Diesel vehicles come at a premium, and in the past two years diesel fuel has cost 10 to 70 cents more per gallon than gasoline. Making up the purchase- price difference in fuel economy takes tens of thousands of miles. Even so, consumers already pay extra for hybrid efficiency. For those seeking an alternative, or for people who just hate stopping to fill up, a diesel vehicle might be the perfect solution.

Source: http://www.popularmechanics.com/cars/alternative-fuel/diesel/why-2013-is-the-year-of-the-diesel?src=rss

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