Sentences with phrase «old diesel technology»

Not exact matches

Diesels have long been regarded as among the dirtiest of power plants, a reputation that lingers because so many decades - old examples of this durable technology still work the roads today.
While diesel technology is popular in Europe, it suffers in the US from the old - school perception that it is still noisy, dirty, and unrefined.
The ad's not exactly scientific, and it's possible that the old diesel car they found to test the big diesel SUV against wasn't representative of the average diesel vehicle of yesterday, but it's still a good way to illustrate visually - in a way that anyone can understand - that current diesel technology has made big improvements.
But, because the nation still has more than 11 million old diesel engines without proper emission control technology, black carbon remains a serious health and environmental threat.
Making diesel an even more attractive candidate for attack is the fact that reducing much of its black carbon emissions might simply be a matter of upgrading old, soot - spewing engines with newer technology.
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