Clean Diesel Delivers Greenhouse Gas Reductions Targets for Maryland

"Diesel engines and the vehicles and equipment they power have been recognized for over a century for their efficiency," said Schaeffer.  "Thanks to enormous advances in clean diesel technology, engines that meet recent emissions standards result in near-zero emissions and provide further fuel economy benefits.  These engines are ready to deliver significant fuel savings and greenhouse gas reduction benefits to Maryland and move the state closer to its emission reduction target.

"Maryland is a leader in the adoption of clean diesel technology beating the national average for the share of these clean diesel commercial vehicles in operation. About one-third of the 128,000 diesel commercial vehicles in operation in Maryland as of 2015 were powered by the latest generation of new clean diesel technology available since 2010.

"Nationwide, these clean diesel vehicles have saved 21 million barrels of crude oil thanks to advanced fuel economy improvements and eliminated 9 million tons of carbon emissions," said Schaeffer.

Transportation related emissions rank as the second leading source of greenhouse gas emissions in Maryland behind the electricity generating sector.  Diesel commercial vehicles rank as the second leading source of transportation related greenhouse gas emissions behind gasoline powered passenger cars and light-trucks.

Schaeffer said EPA regulations have resulted in new clean diesel technology and fuels that have significantly lowered particulate matter and NOx emissions by more than 95 percent compared to older diesel vehicles.

New Diesel Engines Save Fuel & Reduce Emissions
"Today, 95 percent of large commercial vehicles come with a diesel engine and these vehicles are already saving fuel and reducing emissions and will continue to generate significant fuel savings and emission reductions helping reduce greenhouse gas emissions in Maryland," said Schaeffer.

Fuel economy rules established jointly by the U.S. Environmental Protection Agency and the Depart of Transportation for commercial vehicles manufactured beginning in 2014 are expected to save 530 million barrels of crude oil and reduce greenhouse gas emissions by 270 million tons by 2018.

"Diesel will deliver the majority of these significant benefits as the powertrain is found under the hood of 95 percent of large commercial vehicles today and will continue to power these vehicles in the near future," said Schaeffer.

Proposed rules extending fuel economy requirements beyond 2018 are estimated to save an additional 1.8 billion barrels of crude oil and 1 billion tons of greenhouse gas emissions by 2027.

Maryland Also a Leading State in Use of Clean Diesel Passenger Vehicles
"The benefits of clean diesel in contributing to greenhouse gas reduction in Maryland extend beyond commercial vehicles," said Schaeffer.  "Maryland is a leading state for the adoption of clean diesel passenger cars with over 100,000 of these vehicles on Maryland roads today and the growing share of these vehicles in the state's fleet can play a great role in saving even more fuel and reducing greenhouse gas emissions."

According to the U.S. Environmental Protection Agency, a clean diesel passenger vehicle can experience a 20 to 40 percent improvement in fuel economy relative to a comparable gasoline vehicle along with a 10 to 20 percent reduction in greenhouse gas emissions. 

"One of the great benefits of the diesel powertrain is its capability to demonstrate continuous improvement to further reduce greenhouse gas emissions," said Schaeffer.  "Already, large municipalities including the cities of San Francisco and Oakland and private fleets like UPS have committed to use greater quantities of bio-based diesel fuels that have shown enormous potential to reduce carbon emissions."

Biodiesel and renewable diesel fuels are recognized as advanced biofuels by the U.S. Environmental Protection Agency capable of reducing greenhouse gas emissions by at least 50 percent.

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ABOUT THE DIESEL TECHNOLOGY FORUM
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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Allen Schaeffer
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Contact:
Steve Hansen
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SOURCE Diesel Technology Forum

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