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Heavy-Duty Diesels Getting Cleaner in 2007
Rob Spiegel, Contributing Editor -- Design News, February 26, 2007
Beginning this year, a new generation of heavy-duty diesel engines for trucks will be 90 percent cleaner than diesel engines of the past. According to the Diesel Technology Forum, industry-wide, multi-year, billion-dollar investments in engineering and research will pay off beginning this year with diesel engines incorporating advances in fuel injection, emissions reductions and turbocharging.
In recent years, manufacturers have made significant advances in clean diesel technology. It would take 80 trucks built in 2007 to equal the soot emissions on one truck sold in 1988. The EPA predicts these new trucks will reduce emissions of smog-forming gases by 2.6 million tons each year and cut soot emissions by 110,000 tons annually, once they fully replace existing fleets.
The rollout of the cleaner diesel engines in 2007 follows the October 2006 introduction of low-sulfur diesel fuel (ULSD), which contains only 15 ppm sulfur content, compared to 500 ppm for the old fuel, a 97 percent reduction in sulfur.
As well as providing fuel efficiencies and cleaner burn for heavy-duty engines, the new diesel technology improves passenger vehicle engines. Likewise with construction equipment. Advances in diesel technology have reduced emissions from off-road machines and equipment by more than 80 percent.
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 China RoHS comes with strict labeling requirements, as shown by this example of a China RoHS label. |
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