July 22, 2016 - 10:01 AM EDT
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New Clean Diesel Cars and Light Trucks to Help U.S. Achieve Greenhouse Gas Reductions, Fuel Economy Improvements

WASHINGTON, July 22, 2016 /PRNewswire-USNewswire/ -- Advancements in emissions control technology in clean diesel passenger cars and light duty pickup trucks will have a positive effect on efforts to reduce future Greenhouse Gas Emissions, according to the federal government's newly-released Draft Technical Assessment Report (TAR).

Diesel Technology Forum Logo. (PRNewsFoto/Diesel Technology Forum)

On July 18, U.S. Department of Transportation (DOT), the U.S. Environmental Protection Agency (EPA), and the California Air Resource Board (CARB) released the mid-term evaluation of the National Program for greenhouse gas emissions and fuel economy standards for light duty cars and trucks. The Draft TAR, which covers vehicle model years 2022-2025, confirms that automotive manufacturers are introducing new technology to market at a rapid pace, and predicts that the MY 2022-2025 standards are achievable with a wide range of technologies.

According to the midterm evaluation: "Despite recent EPA and California ARB compliance actions with respect to light-duty diesel NOx emissions, diesel engines remain a technology for the reduction of GHG emissions from light-duty vehicles. Advances in NOx and PM emissions control technology are bringing light duty diesels fully into compliance with Federal Tier 3 and California LEV III emissions standards at a cost that is competitive with the cost-effectiveness of other high efficiency, advanced engine technologies."

"We're extremely pleased that EPA, DOT and CARB recognize at this time especially the Greenhouse Gas emissions improvements in new and future clean diesel technology and fuels," said Allen Schaeffer, the Executive Director of the Diesel Technology Forum.  "Automakers and engine manufacturers have invested billions of dollars in diesel research and development to significantly improve the fuel efficiency and emissions from modern diesel vehicles.

"And while the Draft TAR specifically highlights advanced gasoline vehicles as being the primary source for achieving future fuel efficiency levels, we believe that new clean diesel engines will also play a key role in reaching the 2025 mileage goals.

"Achieving the increased fuel economy standards is going to be difficult. This is a tremendous challenge for the industry.

"However, today clean diesel cars average about 30 percent better fuel economy than their gasoline counterparts.  In the light duty truck sector, new clean diesel pickups are achieving higher mpg levels and for the first time a diesel pickup truck has reached the 30 mpg highway level.

"And as additional high-mileage clean diesel cars and pickup trucks are introduced in the U.S. we anticipate the diesel market to increase as will diesel's role in helping achieve the future fuel efficiency standards."

The Draft TAR states that diesel engines are continuing to evolve using technologies similar to those being introduced in new light-duty gasoline engines and heavy-duty diesel truck engines, including the use of:

  • Advanced friction reduction measures
  • Increased turbocharger boosting and engine downsizing
  • Engine "downspeeding"
  • The use of advanced cooled EGR systems
  • The improved integration of charge air cooling into the air intake system
  • And the improved integration of exhaust emissions control systems for criteria pollutant control.

According to the Draft TAR, the best Brake Thermal Efficiency (BTE)—a measure of energy efficiency -- of advanced diesel engines under development for light duty applications is now 46 percent and thus is approaching that of heavy-duty diesel truck engines. In contrast, gasoline engines today achieve around 37 percent.

The draft report also summarizes the results of commissioned research surveying auto reviews of advanced fuel economy technologies. Three-out-of-four auto writers and auto analysts report a favorable rating for diesel technology concerning consumer acceptance, which was among the highest rated powertrains.

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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.

(View this press release online here.)

Steve Hansen
[email protected]
301-668-7230 (o)
202-355-3664 (c)

Available Topic Expert: For information on the listed expert, click appropriate link.
Allen Schaeffer
ProfNet - http://www.profnetconnect.com/Schaeffer

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To view the original version on PR Newswire, visit:http://www.prnewswire.com/news-releases/new-clean-diesel-cars-and-light-trucks-to-help-us-achieve-greenhouse-gas-reductions-fuel-economy-improvements-300302700.html

SOURCE Diesel Technology Forum

Source: PR Newswire (July 22, 2016 - 10:01 AM EDT)

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