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New diesels will get better mileage and have cleaner emissions than your average car. Pictured: 2009 Jetta SportWagen 2L TDI Clean Diesel.Later this year (see the timeline below), we will finally begin to see an influx of new model diesels in the United States. While diesels make up 50% of the market share of vehicles in Europe, they’re still trying to shrug off the stigma of being dirty, noisy beasts here in the US. So what changed?

I'm sure you've all heard of the sub-prime loan crisis and the falling U.S. dollar, but I bet you didn't know that it was trickling down to affect efficient vehicle choices for U.S. and European consumers.