Washington Auto Show gives policymakers, consumers an opportunity to see how clean diesel technology fits into future plans
July 28, 2016 | Diesel Technology Forum
Washington, D.C. – The introduction of more advanced diesel truck engines, innovative emissions control systems, and cleaner diesel fuel over the past decade have successfully resulted in major improvements in air quality and fuel efficiency, according to new research compiled by The Martec Group, a global technical marketing research firm, for the Diesel Technology Forum.
The four million cleaner heavy-duty diesels introduced from 2007 through 2015 have saved U.S. consumers:
29 million tonnes of CO2
7.5 million tonnes of NOx
218,000 tonnes of Particulate Matter (PM)
2.9 billion gallons of diesel
69 million barrels of crude oil
“It is clear from these findings that the new generation of clean diesel technology is delivering large and expanding benefits to society in the form of fewer emissions and lower fuel consumption. The reductions from the 2007 and newer trucks on the road today are equivalent to removing the CO2 emissions from 6.1 million light-duty cars from the road for one year, removing the NOx emissions from all light-duty cars for two years, and removing the particulate matter from all light-duty cars for six years,” said Allen Schaeffer, the Executive Director of the Diesel Technology Forum.
Schaeffer said 42 percent of all medium and heavy-duty diesel commercial trucks (Classes 3-8) in operation in the United States – four million of 9.5 million diesel trucks – were now equipped with newer technology clean diesel engines; up from 38 percent last year. For Class 8 trucks running the newest generation (2010 and newer) engines, the new technology saved truckers $2,400 a year in fuel costs by using 875 fewer gallons of fuel (based on 125,000 miles traveled).
“As the world’s attention is now focused on meeting future international climate commitments, it is important to recognize the fuels and technologies that are delivering proven benefits here and now in communities all across America, because technologies like clean diesel will also be vital to achieving those future goals as well,”Schaeffer said.
In December 2000, the U.S. Environmental Protection Agency established new requirements to reduce emissions from on-road heavy-duty trucks and buses by up to 95 percent and cut the allowable levels of sulfur in diesel fuel by 97 percent by 2010. The first requirement for a 98 percent reduction in particulate matter became effective in 2007. In 2010, requirements for a 98 percent reduction in NOx from 2007 levels went into effect.
To achieve these new standards, the new clean diesel system relies on an efficient engine and combustion system utilizing the most advanced fuel-injection, turbocharging and engine management strategies coupled with advanced emissions controls and after-treatment technologies including particulate filters and selective catalytic reduction (SCR) systems - all running on ultra-low sulfur diesel fuel.
These new clean diesel trucks are a key element in the clean air plans for states to meet the current and future national ambient air quality standards, noted Schaeffer. The Martec Group also calculated the emissions benefits achieved in selected states:
From 2011-2015 new technology diesel engines in:
California have removed 700,000 tonnes of NOx from the atmosphere and saved 2.5 million tonnes of CO2.
New York have removed 250,000 tonnes of NOx from the atmosphere and saved 900,000 tonnes of CO2.
New Jersey have removed 160,000 tonnes of NOx from the atmosphere and saved 500,000 tonnes of CO2.
Pennsylvania have removed 300,000 tonnes of NOx from the atmosphere and saved 1.3 million tonnes of CO2.
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The Diesel Technology Forum is a non-profit organization dedicated to raising awareness about the importance of diesel engines, fuel and technology. Forum members are leaders in clean diesel technology and represent the three key elements of the modern clean-diesel system: advanced engines, vehicles and equipment, cleaner diesel fuel and emissions-control systems. For more information visit www.dieselforum.org.
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